73145912 has 32 divisors (see below), whose sum is σ = 160081920. Its totient is φ = 30680160.

The previous prime is 73145887. The next prime is 73145921. The reversal of 73145912 is 21954137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11264 + ... + 16527.

It is an arithmetic number, because the mean of its divisors is an integer number (5002560).

Almost surely, 2^73145912 is an apocalyptic number.

It is an amenable number.

73145912 is an abundant number, since it is smaller than the sum of its proper divisors (86936008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73145912 is a wasteful number, since it uses less digits than its factorization.

73145912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27851 (or 27847 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 73145912 is about 8552.5383366577. The cubic root of 73145912 is about 418.2121889955.

The spelling of 73145912 in words is "seventy-three million, one hundred forty-five thousand, nine hundred twelve".