73764690 has 32 divisors (see below), whose sum is σ = 183142080. Its totient is φ = 18992064.

The previous prime is 73764689. The next prime is 73764701. The reversal of 73764690 is 9646737.

It is a super-2 number, since 2×73764690² = 10882458981592200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 41524 + ... + 43263.

It is an arithmetic number, because the mean of its divisors is an integer number (5723190).

Almost surely, 2^73764690 is an apocalyptic number.

73764690 is an abundant number, since it is smaller than the sum of its proper divisors (109377390).

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

73764690 is a wasteful number, since it uses less digits than its factorization.

73764690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84826.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 73764690 is about 8588.6372609396. The cubic root of 73764690 is about 419.3881681081.

The spelling of 73764690 in words is "seventy-three million, seven hundred sixty-four thousand, six hundred ninety".