64350475 has 36 divisors (see below), whose sum is σ = 93764088. Its totient is φ = 43680000.

The previous prime is 64350469. The next prime is 64350497. The reversal of 64350475 is 57405346.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-64350475 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64350475.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 160275 + ... + 160675.

It is an arithmetic number, because the mean of its divisors is an integer number (2604558).

Almost surely, 2^64350475 is an apocalyptic number.

64350475 is the 6550-th pentagonal number.

64350475 is a deficient number, since it is larger than the sum of its proper divisors (29413613).

64350475 is a wasteful number, since it uses less digits than its factorization.

64350475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 64350475 is about 8021.8747808726. The cubic root of 64350475 is about 400.7288274697.

The spelling of 64350475 in words is "sixty-four million, three hundred fifty thousand, four hundred seventy-five".