73993970 has 16 divisors (see below), whose sum is σ = 136287360. Its totient is φ = 28909104.

The previous prime is 73993957. The next prime is 73993981. The reversal of 73993970 is 7939937.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85610 + ... + 86469.

It is an arithmetic number, because the mean of its divisors is an integer number (8517960).

Almost surely, 2^73993970 is an apocalyptic number.

73993970 is a deficient number, since it is larger than the sum of its proper divisors (62293390).

73993970 is a wasteful number, since it uses less digits than its factorization.

73993970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172129.

The product of its (nonzero) digits is 321489, while the sum is 47.

The square root of 73993970 is about 8601.9747732715. The cubic root of 73993970 is about 419.8222414815.

The spelling of 73993970 in words is "seventy-three million, nine hundred ninety-three thousand, nine hundred seventy".