64374419 has 8 divisors (see below), whose sum is σ = 65274000. Its totient is φ = 63480672.

The previous prime is 64374379. The next prime is 64374433. The reversal of 64374419 is 91447346.

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 64374419 - 2¹⁶ = 64308883 is a prime.

It is a super-2 number, since 2×64374419² = 8288131643175122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64374119) 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, 23672 + ... + 26250.

It is an arithmetic number, because the mean of its divisors is an integer number (8159250).

Almost surely, 2^64374419 is an apocalyptic number.

64374419 is a deficient number, since it is larger than the sum of its proper divisors (899581).

64374419 is a wasteful number, since it uses less digits than its factorization.

64374419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917.

The product of its digits is 72576, while the sum is 38.

The square root of 64374419 is about 8023.3670612780. The cubic root of 64374419 is about 400.7785233538.

The spelling of 64374419 in words is "sixty-four million, three hundred seventy-four thousand, four hundred nineteen".