64756650 has 48 divisors (see below), whose sum is σ = 183541824. Its totient is φ = 14801280.

The previous prime is 64756633. The next prime is 64756663. The reversal of 64756650 is 5665746.

It is a junction number, because it is equal to n+sod(n) for n = 64756599 and 64756608.

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, 29787 + ... + 31886.

It is an arithmetic number, because the mean of its divisors is an integer number (3823788).

Almost surely, 2^64756650 is an apocalyptic number.

64756650 is an abundant number, since it is smaller than the sum of its proper divisors (118785174).

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

64756650 is a wasteful number, since it uses less digits than its factorization.

64756650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61695 (or 61690 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 64756650 is about 8047.1516700010. The cubic root of 64756650 is about 401.5701824195.

The spelling of 64756650 in words is "sixty-four million, seven hundred fifty-six thousand, six hundred fifty".