64671424 has 14 divisors (see below), whose sum is σ = 128332484. Its totient is φ = 32335680.

The previous prime is 64671419. The next prime is 64671433. The reversal of 64671424 is 42417646.

It is a self number, because there is not a number n which added to its sum of digits gives 64671424.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505182 + ... + 505309.

It is an arithmetic number, because the mean of its divisors is an integer number (9166606).

Almost surely, 2^64671424 is an apocalyptic number.

64671424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64671424 is a deficient number, since it is larger than the sum of its proper divisors (63661060).

64671424 is a wasteful number, since it uses less digits than its factorization.

64671424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010503 (or 1010493 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 64671424 is about 8041.8545124865. The cubic root of 64671424 is about 401.3939367084.

The spelling of 64671424 in words is "sixty-four million, six hundred seventy-one thousand, four hundred twenty-four".