73237725 has 72 divisors (see below), whose sum is σ = 144847872. Its totient is φ = 35078400.

The previous prime is 73237711. The next prime is 73237733. The reversal of 73237725 is 52773237.

It is not a de Polignac number, because 73237725 - 2⁴ = 73237709 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 73237725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 314209 + ... + 314441.

It is an arithmetic number, because the mean of its divisors is an integer number (2011776).

Almost surely, 2^73237725 is an apocalyptic number.

73237725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73237725 is a deficient number, since it is larger than the sum of its proper divisors (71610147).

73237725 is a wasteful number, since it uses less digits than its factorization.

73237725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 379 counting only the distinct ones).

The product of its digits is 61740, while the sum is 36.

The square root of 73237725 is about 8557.9042411095. The cubic root of 73237725 is about 418.3870962932.

The spelling of 73237725 in words is "seventy-three million, two hundred thirty-seven thousand, seven hundred twenty-five".