73365730 has 16 divisors (see below), whose sum is σ = 133868664. Its totient is φ = 28944000.

The previous prime is 73365701. The next prime is 73365751. The reversal of 73365730 is 3756337.

It can be written as a sum of positive squares in 4 ways, for example, as 48734361 + 24631369 = 6981^2 + 4963^2 .

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, 49521 + ... + 50980.

Almost surely, 2^73365730 is an apocalyptic number.

73365730 is a deficient number, since it is larger than the sum of its proper divisors (60502934).

73365730 is a wasteful number, since it uses less digits than its factorization.

73365730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100581.

The product of its (nonzero) digits is 39690, while the sum is 34.

The square root of 73365730 is about 8565.3797347228. The cubic root of 73365730 is about 418.6307069414.

The spelling of 73365730 in words is "seventy-three million, three hundred sixty-five thousand, seven hundred thirty".