73664270 has 16 divisors (see below), whose sum is σ = 132694848. Its totient is φ = 29443680.

The previous prime is 73664267. The next prime is 73664323. The reversal of 73664270 is 7246637.

It is a self number, because there is not a number n which added to its sum of digits gives 73664270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21260 + ... + 24480.

It is an arithmetic number, because the mean of its divisors is an integer number (8293428).

Almost surely, 2^73664270 is an apocalyptic number.

73664270 is a deficient number, since it is larger than the sum of its proper divisors (59030578).

73664270 is a wasteful number, since it uses less digits than its factorization.

73664270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 73664270 is about 8582.7891736894. The cubic root of 73664270 is about 419.1977694885.

The spelling of 73664270 in words is "seventy-three million, six hundred sixty-four thousand, two hundred seventy".