73478685 has 24 divisors (see below), whose sum is σ = 136761696. Its totient is φ = 33589920.

The previous prime is 73478653. The next prime is 73478687. The reversal of 73478685 is 58687437.

It is not a de Polignac number, because 73478685 - 2⁵ = 73478653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73478687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49251 + ... + 50720.

It is an arithmetic number, because the mean of its divisors is an integer number (5698404).

Almost surely, 2^73478685 is an apocalyptic number.

It is an amenable number.

73478685 is a deficient number, since it is larger than the sum of its proper divisors (63283011).

73478685 is a wasteful number, since it uses less digits than its factorization.

73478685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99993 (or 99986 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 73478685 is about 8571.9708935577. The cubic root of 73478685 is about 418.8454401899.

The spelling of 73478685 in words is "seventy-three million, four hundred seventy-eight thousand, six hundred eighty-five".