73512818 has 8 divisors (see below), whose sum is σ = 111665280. Its totient is φ = 36291060.

The previous prime is 73512809. The next prime is 73512823. The reversal of 73512818 is 81821537.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×73512818² = 10808268820602248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232478 + ... + 232793.

It is an arithmetic number, because the mean of its divisors is an integer number (13958160).

Almost surely, 2^73512818 is an apocalyptic number.

73512818 is a deficient number, since it is larger than the sum of its proper divisors (38152462).

73512818 is a wasteful number, since it uses less digits than its factorization.

73512818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465352.

The product of its digits is 13440, while the sum is 35.

The square root of 73512818 is about 8573.9616280923. The cubic root of 73512818 is about 418.9102854725.

The spelling of 73512818 in words is "seventy-three million, five hundred twelve thousand, eight hundred eighteen".