73290885 has 16 divisors (see below), whose sum is σ = 123437760. Its totient is φ = 37031040.

The previous prime is 73290883. The next prime is 73290887. The reversal of 73290885 is 58809237.

It is an interprime number because it is at equal distance from previous prime (73290883) and next prime (73290887).

It is not a de Polignac number, because 73290885 - 2¹ = 73290883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73290883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128296 + ... + 128865.

It is an arithmetic number, because the mean of its divisors is an integer number (7714860).

Almost surely, 2^73290885 is an apocalyptic number.

It is an amenable number.

73290885 is a deficient number, since it is larger than the sum of its proper divisors (50146875).

73290885 is a wasteful number, since it uses less digits than its factorization.

73290885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257188.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 73290885 is about 8561.0095783149. The cubic root of 73290885 is about 418.4883013249.

The spelling of 73290885 in words is "seventy-three million, two hundred ninety thousand, eight hundred eighty-five".