64534715 has 48 divisors (see below), whose sum is σ = 96526080. Its totient is φ = 41207040.

The previous prime is 64534681. The next prime is 64534727. The reversal of 64534715 is 51743546.

It is not a de Polignac number, because 64534715 - 2¹⁰ = 64533691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220109 + ... + 220401.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^64534715 is an apocalyptic number.

64534715 is a deficient number, since it is larger than the sum of its proper divisors (31991365).

64534715 is a wasteful number, since it uses less digits than its factorization.

64534715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 365 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 64534715 is about 8033.3501728731. The cubic root of 64534715 is about 401.1109014720.

The spelling of 64534715 in words is "sixty-four million, five hundred thirty-four thousand, seven hundred fifteen".