73664190 has 48 divisors (see below), whose sum is σ = 192016656. Its totient is φ = 19593600.

The previous prime is 73664189. The next prime is 73664207. The reversal of 73664190 is 9146637.

73664190 is a `hidden beast` number, since 7 + 3 + 6 + 641 + 9 + 0 = 666.

It is a super-2 number, since 2×73664190² = 10852825776712200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46105 + ... + 47675.

It is an arithmetic number, because the mean of its divisors is an integer number (4000347).

Almost surely, 2^73664190 is an apocalyptic number.

73664190 is an abundant number, since it is smaller than the sum of its proper divisors (118352466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73664190 is a wasteful number, since it uses less digits than its factorization.

73664190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 73664190 is about 8582.7845131985. The cubic root of 73664190 is about 419.1976177377.

The spelling of 73664190 in words is "seventy-three million, six hundred sixty-four thousand, one hundred ninety".