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74069725 = 5218116369
BaseRepresentation
bin1000110101000…
…11011011011101
312011101010120011
410122203123131
5122430212400
611203323221
71556403502
oct432433335
9164333504
1074069725
11388a0754
1220980511
1312465052
149ba14a9
1567818ba
hex46a36dd

74069725 has 12 divisors (see below), whose sum is σ = 92359540. Its totient is φ = 58924800.

The previous prime is 74069701. The next prime is 74069747. The reversal of 74069725 is 52796047.

It can be written as a sum of positive squares in 6 ways, for example, as 22071204 + 51998521 = 4698^2 + 7211^2 .

It is not a de Polignac number, because 74069725 - 221 = 71972573 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3660 + ... + 12709.

Almost surely, 274069725 is an apocalyptic number.

It is an amenable number.

74069725 is a deficient number, since it is larger than the sum of its proper divisors (18289815).

74069725 is a wasteful number, since it uses less digits than its factorization.

74069725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16560 (or 16555 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 74069725 is about 8606.3769961581. The cubic root of 74069725 is about 419.9654639025.

The spelling of 74069725 in words is "seventy-four million, sixty-nine thousand, seven hundred twenty-five".

Divisors: 1 5 25 181 905 4525 16369 81845 409225 2962789 14813945 74069725