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74022425 = 5241257281
BaseRepresentation
bin1000110100101…
…11111000011001
312011021201200022
410122113320121
5122422204200
611202320225
71556115551
oct432277031
9164251608
1074022425
1138869164
1220959075
1312449669
149b8c161
156772885
hex4697e19

74022425 has 24 divisors (see below), whose sum is σ = 94728312. Its totient is φ = 57344000.

The previous prime is 74022419. The next prime is 74022527. The reversal of 74022425 is 52422047.

It can be written as a sum of positive squares in 12 ways, for example, as 11042329 + 62980096 = 3323^2 + 7936^2 .

It is not a de Polignac number, because 74022425 - 24 = 74022409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74022394 and 74022403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263285 + ... + 263565.

It is an arithmetic number, because the mean of its divisors is an integer number (3947013).

Almost surely, 274022425 is an apocalyptic number.

74022425 is the 7025-th pentagonal number.

It is an amenable number.

74022425 is a deficient number, since it is larger than the sum of its proper divisors (20705887).

74022425 is a wasteful number, since it uses less digits than its factorization.

74022425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 74022425 is about 8603.6285949592. The cubic root of 74022425 is about 419.8760499693.

It can be divided in two parts, 74022 and 425, that added together give a palindrome (74447).

The spelling of 74022425 in words is "seventy-four million, twenty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 41 205 257 281 1025 1285 1405 6425 7025 10537 11521 52685 57605 72217 263425 288025 361085 1805425 2960897 14804485 74022425