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74125925 = 522965037
BaseRepresentation
bin1000110101100…
…01001001100101
312011110222122122
410122301021211
5122434012200
611204435325
71560026366
oct432611145
9164428578
1074125925
11389299a5
12209a8b45
13124847c3
149bb7b6d
156793385
hex46b1265

74125925 has 6 divisors (see below), whose sum is σ = 91916178. Its totient is φ = 59300720.

The previous prime is 74125913. The next prime is 74125927. The reversal of 74125925 is 52952147.

It can be written as a sum of positive squares in 3 ways, for example, as 10029889 + 64096036 = 3167^2 + 8006^2 .

It is not a de Polignac number, because 74125925 - 222 = 69931621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74125927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1482494 + ... + 1482543.

It is an arithmetic number, because the mean of its divisors is an integer number (15319363).

Almost surely, 274125925 is an apocalyptic number.

It is an amenable number.

74125925 is a deficient number, since it is larger than the sum of its proper divisors (17790253).

74125925 is a wasteful number, since it uses less digits than its factorization.

74125925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965047 (or 2965042 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 74125925 is about 8609.6413978748. The cubic root of 74125925 is about 420.0716525523.

Subtracting from 74125925 its reverse (52952147), we obtain a triangular number (21173778 = T6507).

The spelling of 74125925 in words is "seventy-four million, one hundred twenty-five thousand, nine hundred twenty-five".

Divisors: 1 5 25 2965037 14825185 74125925