73215536 has 10 divisors (see below), whose sum is σ = 141855132. Its totient is φ = 36607760.

The previous prime is 73215533. The next prime is 73215547. The reversal of 73215536 is 63551237.

It is not an unprimeable number, because it can be changed into a prime (73215533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2287970 + ... + 2288001.

Almost surely, 2^73215536 is an apocalyptic number.

It is an amenable number.

73215536 is a deficient number, since it is larger than the sum of its proper divisors (68639596).

73215536 is a wasteful number, since it uses less digits than its factorization.

73215536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575979 (or 4575973 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 73215536 is about 8556.6077390517. The cubic root of 73215536 is about 418.3448387955.

The spelling of 73215536 in words is "seventy-three million, two hundred fifteen thousand, five hundred thirty-six".