64624937 has 8 divisors (see below), whose sum is σ = 69741504. Its totient is φ = 59529168.

The previous prime is 64624927. The next prime is 64624943. The reversal of 64624937 is 73942646.

64624937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64624937 - 2⁴ = 64624921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64624894 and 64624903.

It is not an unprimeable number, because it can be changed into a prime (64624927) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1598 + ... + 11480.

It is an arithmetic number, because the mean of its divisors is an integer number (8717688).

Almost surely, 2^64624937 is an apocalyptic number.

It is an amenable number.

64624937 is a deficient number, since it is larger than the sum of its proper divisors (5116567).

64624937 is a wasteful number, since it uses less digits than its factorization.

64624937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399.

The product of its digits is 217728, while the sum is 41.

The square root of 64624937 is about 8038.9636769922. The cubic root of 64624937 is about 401.2977372253.

The spelling of 64624937 in words is "sixty-four million, six hundred twenty-four thousand, nine hundred thirty-seven".