73290988 has 6 divisors (see below), whose sum is σ = 128259236. Its totient is φ = 36645492.

The previous prime is 73290977. The next prime is 73291081. The reversal of 73290988 is 88909237.

It is a super-2 number, since 2×73290988² = 10743137844032288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9161370 + ... + 9161377.

Almost surely, 2^73290988 is an apocalyptic number.

It is an amenable number.

73290988 is a deficient number, since it is larger than the sum of its proper divisors (54968248).

73290988 is a wasteful number, since it uses less digits than its factorization.

73290988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18322751 (or 18322749 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 73290988 is about 8561.0155939585. The cubic root of 73290988 is about 418.4884973669.

The spelling of 73290988 in words is "seventy-three million, two hundred ninety thousand, nine hundred eighty-eight".