73640594 has 8 divisors (see below), whose sum is σ = 110500428. Its totient is φ = 36807120.

The previous prime is 73640579. The next prime is 73640627. The reversal of 73640594 is 49504637.

It can be written as a sum of positive squares in 2 ways, for example, as 58140625 + 15499969 = 7625^2 + 3937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3464 + ... + 12620.

Almost surely, 2^73640594 is an apocalyptic number.

73640594 is a deficient number, since it is larger than the sum of its proper divisors (36859834).

73640594 is a wasteful number, since it uses less digits than its factorization.

73640594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 73640594 is about 8581.4097909376. The cubic root of 73640594 is about 419.1528540458.

The spelling of 73640594 in words is "seventy-three million, six hundred forty thousand, five hundred ninety-four".