73136408 has 16 divisors (see below), whose sum is σ = 137235480. Its totient is φ = 36540288.

The previous prime is 73136407. The next prime is 73136419. The reversal of 73136408 is 80463137.

It is a super-4 number, since 4×73136408⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73136407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11360 + ... + 16592.

Almost surely, 2^73136408 is an apocalyptic number.

It is an amenable number.

73136408 is a deficient number, since it is larger than the sum of its proper divisors (64099072).

73136408 is a wasteful number, since it uses less digits than its factorization.

73136408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986 (or 6982 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 73136408 is about 8551.9826940891. The cubic root of 73136408 is about 418.1940751520.

The spelling of 73136408 in words is "seventy-three million, one hundred thirty-six thousand, four hundred eight".