64872774 has 12 divisors (see below), whose sum is σ = 140557716. Its totient is φ = 21624252.

The previous prime is 64872763. The next prime is 64872779. The reversal of 64872774 is 47727846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64872779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1802004 + ... + 1802039.

It is an arithmetic number, because the mean of its divisors is an integer number (11713143).

Almost surely, 2^64872774 is an apocalyptic number.

64872774 is an abundant number, since it is smaller than the sum of its proper divisors (75684942).

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

64872774 is a wasteful number, since it uses less digits than its factorization.

64872774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604051 (or 3604048 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 64872774 is about 8054.3636620158. The cubic root of 64872774 is about 401.8100758748.

It can be divided in two parts, 6487 and 2774, that added together give a cube (9261 = 21³).

The spelling of 64872774 in words is "sixty-four million, eight hundred seventy-two thousand, seven hundred seventy-four".