64485912 has 16 divisors (see below), whose sum is σ = 161214840. Its totient is φ = 21495296.

The previous prime is 64485893. The next prime is 64485917. The reversal of 64485912 is 21958446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64485917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343433 + ... + 1343480.

Almost surely, 2^64485912 is an apocalyptic number.

It is an amenable number.

64485912 is an abundant number, since it is smaller than the sum of its proper divisors (96728928).

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

64485912 is a wasteful number, since it uses less digits than its factorization.

64485912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686922 (or 2686918 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 64485912 is about 8030.3120736370. The cubic root of 64485912 is about 401.0097654560.

The spelling of 64485912 in words is "sixty-four million, four hundred eighty-five thousand, nine hundred twelve".