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74942475 = 352999233
BaseRepresentation
bin1000111011110…
…00100000001011
312020000110202020
410131320200023
5123141124400
611234135523
71600000116
oct435704013
9166013666
1074942475
1139337433
12211215a3
13126ac37a
149d4b57d
1568a52a0
hex477880b

74942475 has 12 divisors (see below), whose sum is σ = 123905016. Its totient is φ = 39969280.

The previous prime is 74942471. The next prime is 74942509. The reversal of 74942475 is 57424947.

It is not a de Polignac number, because 74942475 - 22 = 74942471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74942471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499542 + ... + 499691.

It is an arithmetic number, because the mean of its divisors is an integer number (10325418).

Almost surely, 274942475 is an apocalyptic number.

74942475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74942475 is a deficient number, since it is larger than the sum of its proper divisors (48962541).

74942475 is a wasteful number, since it uses less digits than its factorization.

74942475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999246 (or 999241 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 74942475 is about 8656.9321933350. The cubic root of 74942475 is about 421.6084862644.

The spelling of 74942475 in words is "seventy-four million, nine hundred forty-two thousand, four hundred seventy-five".

Divisors: 1 3 5 15 25 75 999233 2997699 4996165 14988495 24980825 74942475