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74369725 = 522974789
BaseRepresentation
bin1000110111011…
…00101010111101
312011221101002021
410123230222331
5123014312400
611214000141
71562063233
oct433545275
9164841067
1074369725
1138a86091
1220aa6051
131253b771
149c3c953
1567e071a
hex46ecabd

74369725 has 6 divisors (see below), whose sum is σ = 92218490. Its totient is φ = 59495760.

The previous prime is 74369723. The next prime is 74369749. The reversal of 74369725 is 52796347.

It can be written as a sum of positive squares in 3 ways, for example, as 736164 + 73633561 = 858^2 + 8581^2 .

It is not a de Polignac number, because 74369725 - 21 = 74369723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74369723) 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, 1487370 + ... + 1487419.

Almost surely, 274369725 is an apocalyptic number.

It is an amenable number.

74369725 is a deficient number, since it is larger than the sum of its proper divisors (17848765).

74369725 is a wasteful number, since it uses less digits than its factorization.

74369725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974799 (or 2974794 counting only the distinct ones).

The product of its digits is 317520, while the sum is 43.

The square root of 74369725 is about 8623.7883206860. The cubic root of 74369725 is about 420.5316868088.

It can be divided in two parts, 7436 and 9725, that added together give a square (17161 = 1312).

The spelling of 74369725 in words is "seventy-four million, three hundred sixty-nine thousand, seven hundred twenty-five".

Divisors: 1 5 25 2974789 14873945 74369725