73564930 has 8 divisors (see below), whose sum is σ = 132416892. Its totient is φ = 29425968.

The previous prime is 73564919. The next prime is 73564937. The reversal of 73564930 is 3946537.

It is a Cunningham number, because it is equal to 8577²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 73564929 + 1 = 8577^2 + 1^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 73564930.

It is not an unprimeable number, because it can be changed into a prime (73564937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3678237 + ... + 3678256.

Almost surely, 2^73564930 is an apocalyptic number.

73564930 is a deficient number, since it is larger than the sum of its proper divisors (58851962).

73564930 is a wasteful number, since it uses less digits than its factorization.

73564930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356500.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 73564930 is about 8577.0000582954. Note that the first 4 decimals coincide. The cubic root of 73564930 is about 419.0092482432.

The spelling of 73564930 in words is "seventy-three million, five hundred sixty-four thousand, nine hundred thirty".