64374641 has 8 divisors (see below), whose sum is σ = 68140800. Its totient is φ = 60646320.

The previous prime is 64374619. The next prime is 64374647. The reversal of 64374641 is 14647346.

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 64374641 - 2¹⁸ = 64112497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64374647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5921 + ... + 12798.

It is an arithmetic number, because the mean of its divisors is an integer number (8517600).

Almost surely, 2^64374641 is an apocalyptic number.

It is an amenable number.

64374641 is a deficient number, since it is larger than the sum of its proper divisors (3766159).

64374641 is a wasteful number, since it uses less digits than its factorization.

64374641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18919.

The product of its digits is 48384, while the sum is 35.

The square root of 64374641 is about 8023.3808958568. The cubic root of 64374641 is about 400.7789840581.

The spelling of 64374641 in words is "sixty-four million, three hundred seventy-four thousand, six hundred forty-one".