64260874 has 4 divisors (see below), whose sum is σ = 96391314. Its totient is φ = 32130436.

The previous prime is 64260863. The next prime is 64260929. The reversal of 64260874 is 47806246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50310649 + 13950225 = 7093^2 + 3735^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065217 + ... + 16065220.

Almost surely, 2^64260874 is an apocalyptic number.

64260874 is a deficient number, since it is larger than the sum of its proper divisors (32130440).

64260874 is a wasteful number, since it uses less digits than its factorization.

64260874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32130439.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 64260874 is about 8016.2880437270. The cubic root of 64260874 is about 400.5427507210.

It can be divided in two parts, 642 and 60874, that added together give a palindrome (61516).

The spelling of 64260874 in words is "sixty-four million, two hundred sixty thousand, eight hundred seventy-four".