64984472 has 32 divisors (see below), whose sum is σ = 147445920. Its totient is φ = 26211840.

The previous prime is 64984457. The next prime is 64984487. The reversal of 64984472 is 27448946.

It is an interprime number because it is at equal distance from previous prime (64984457) and next prime (64984487).

It is a super-2 number, since 2×64984472² = 8445963202237568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33179 + ... + 35082.

It is an arithmetic number, because the mean of its divisors is an integer number (4607685).

Almost surely, 2^64984472 is an apocalyptic number.

It is an amenable number.

64984472 is an abundant number, since it is smaller than the sum of its proper divisors (82461448).

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

64984472 is a wasteful number, since it uses less digits than its factorization.

64984472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68291 (or 68287 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 64984472 is about 8061.2946850987. The cubic root of 64984472 is about 402.0405559605.

It can be divided in two parts, 64984 and 472, that added together give a palindrome (65456).

The spelling of 64984472 in words is "sixty-four million, nine hundred eighty-four thousand, four hundred seventy-two".