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74972433 = 3231086557
BaseRepresentation
bin1000111011111…
…11110100010001
312020001222211210
410131333310101
5123143104213
611234530333
71600153344
oct435776421
9166058753
1074972433
1139357998
12211369a9
13126bcbb3
149d5845b
1568ae0c3
hex477fd11

74972433 has 8 divisors (see below), whose sum is σ = 104309568. Its totient is φ = 47808464.

The previous prime is 74972407. The next prime is 74972437. The reversal of 74972433 is 33427947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74972433 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74972391 and 74972400.

It is not an unprimeable number, because it can be changed into a prime (74972437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543210 + ... + 543347.

It is an arithmetic number, because the mean of its divisors is an integer number (13038696).

Almost surely, 274972433 is an apocalyptic number.

It is an amenable number.

74972433 is a deficient number, since it is larger than the sum of its proper divisors (29337135).

74972433 is a wasteful number, since it uses less digits than its factorization.

74972433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086583.

The product of its digits is 127008, while the sum is 39.

The square root of 74972433 is about 8658.6623100800. The cubic root of 74972433 is about 421.6646576341.

The spelling of 74972433 in words is "seventy-four million, nine hundred seventy-two thousand, four hundred thirty-three".

Divisors: 1 3 23 69 1086557 3259671 24990811 74972433