73289925 has 36 divisors (see below), whose sum is σ = 131848704. Its totient is φ = 38916000.

The previous prime is 73289911. The next prime is 73289927. The reversal of 73289925 is 52998237.

It is a de Polignac number, because none of the positive numbers 2^k-73289925 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73289927) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 63100 + ... + 64250.

It is an arithmetic number, because the mean of its divisors is an integer number (3662464).

Almost surely, 2^73289925 is an apocalyptic number.

73289925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73289925 is a deficient number, since it is larger than the sum of its proper divisors (58558779).

73289925 is a wasteful number, since it uses less digits than its factorization.

73289925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1442 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 73289925 is about 8560.9535099777. The cubic root of 73289925 is about 418.4864741285.

The spelling of 73289925 in words is "seventy-three million, two hundred eighty-nine thousand, nine hundred twenty-five".