64279458 has 24 divisors (see below), whose sum is σ = 139447308. Its totient is φ = 21399552.

The previous prime is 64279447. The next prime is 64279477. The reversal of 64279458 is 85497246.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64208169 + 71289 = 8013^2 + 267^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16866 + ... + 20322.

Almost surely, 2^64279458 is an apocalyptic number.

64279458 is an abundant number, since it is smaller than the sum of its proper divisors (75167850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64279458 is a wasteful number, since it uses less digits than its factorization.

64279458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498 (or 4495 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 64279458 is about 8017.4470999190. The cubic root of 64279458 is about 400.5813588121.

The spelling of 64279458 in words is "sixty-four million, two hundred seventy-nine thousand, four hundred fifty-eight".