73915819225 has 24 divisors (see below), whose sum is σ = 96681312000. Its totient is φ = 55903285440.

The previous prime is 73915819213. The next prime is 73915819249. The reversal of 73915819225 is 52291851937.

It is not a de Polignac number, because 73915819225 - 2⁷ = 73915819097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65091 + ... + 389959.

It is an arithmetic number, because the mean of its divisors is an integer number (4028388000).

Almost surely, 2^73915819225 is an apocalyptic number.

It is an amenable number.

73915819225 is a deficient number, since it is larger than the sum of its proper divisors (22765492775).

73915819225 is a wasteful number, since it uses less digits than its factorization.

73915819225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325377 (or 325372 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 52.

The spelling of 73915819225 in words is "seventy-three billion, nine hundred fifteen million, eight hundred nineteen thousand, two hundred twenty-five".