73890704 has 20 divisors (see below), whose sum is σ = 151585164. Its totient is φ = 34771968.

The previous prime is 73890659. The next prime is 73890709. The reversal of 73890704 is 40709837.

It can be written as a sum of positive squares in 2 ways, for example, as 32262400 + 41628304 = 5680^2 + 6452^2 .

It is a super-2 number, since 2×73890704² = 10919672275231232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (73890709) 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, 135557 + ... + 136100.

Almost surely, 2^73890704 is an apocalyptic number.

It is an amenable number.

73890704 is an abundant number, since it is smaller than the sum of its proper divisors (77694460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73890704 is a wasteful number, since it uses less digits than its factorization.

73890704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271682 (or 271676 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 73890704 is about 8595.9702186548. The cubic root of 73890704 is about 419.6268492208.

The spelling of 73890704 in words is "seventy-three million, eight hundred ninety thousand, seven hundred four".