64764465 has 8 divisors (see below), whose sum is σ = 103623168. Its totient is φ = 34541040.

The previous prime is 64764451. The next prime is 64764473. The reversal of 64764465 is 56446746.

It is a happy number.

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

It is not a de Polignac number, because 64764465 - 2¹⁰ = 64763441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2158801 + ... + 2158830.

It is an arithmetic number, because the mean of its divisors is an integer number (12952896).

Almost surely, 2^64764465 is an apocalyptic number.

It is an amenable number.

64764465 is a deficient number, since it is larger than the sum of its proper divisors (38858703).

64764465 is a wasteful number, since it uses less digits than its factorization.

64764465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317639.

The product of its digits is 483840, while the sum is 42.

The square root of 64764465 is about 8047.6372308896. The cubic root of 64764465 is about 401.5863359458.

The spelling of 64764465 in words is "sixty-four million, seven hundred sixty-four thousand, four hundred sixty-five".