73730164 has 12 divisors (see below), whose sum is σ = 129376324. Its totient is φ = 36765504.

The previous prime is 73730143. The next prime is 73730171. The reversal of 73730164 is 46103737.

It can be written as a sum of positive squares in 2 ways, for example, as 58064400 + 15665764 = 7620^2 + 3958^2 .

It is a super-2 number, since 2×73730164² = 10872274166933792, which contains 22 as substring.

It is a congruent number.

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, 23217 + ... + 26200.

Almost surely, 2^73730164 is an apocalyptic number.

It is an amenable number.

73730164 is a deficient number, since it is larger than the sum of its proper divisors (55646160).

73730164 is a wasteful number, since it uses less digits than its factorization.

73730164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49794 (or 49792 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 73730164 is about 8586.6270444220. The cubic root of 73730164 is about 419.3227255249.

The spelling of 73730164 in words is "seventy-three million, seven hundred thirty thousand, one hundred sixty-four".