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74965925 = 5219157823
BaseRepresentation
bin1000111011111…
…10001110100101
312020001122220202
410131332032211
5123142402200
611234440245
71600125356
oct435761645
9166048822
1074965925
1139353011
1221133085
13126b9c48
149d55d2d
1568ac1d5
hex477e3a5

74965925 has 12 divisors (see below), whose sum is σ = 97850880. Its totient is φ = 56815920.

The previous prime is 74965921. The next prime is 74965927. The reversal of 74965925 is 52956947.

It is not a de Polignac number, because 74965925 - 22 = 74965921 is a prime.

It is a super-2 number, since 2×749659252 = 11239779822211250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74965925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74965921) 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, 78437 + ... + 79386.

It is an arithmetic number, because the mean of its divisors is an integer number (8154240).

Almost surely, 274965925 is an apocalyptic number.

It is an amenable number.

74965925 is a deficient number, since it is larger than the sum of its proper divisors (22884955).

74965925 is a wasteful number, since it uses less digits than its factorization.

74965925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157852 (or 157847 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The square root of 74965925 is about 8658.2864932965. The cubic root of 74965925 is about 421.6524563805.

The spelling of 74965925 in words is "seventy-four million, nine hundred sixty-five thousand, nine hundred twenty-five".

Divisors: 1 5 19 25 95 475 157823 789115 2998637 3945575 14993185 74965925