64387412 has 6 divisors (see below), whose sum is σ = 112677978. Its totient is φ = 32193704.

The previous prime is 64387369. The next prime is 64387429. The reversal of 64387412 is 21478346.

It can be written as a sum of positive squares in only one way, i.e., 64224196 + 163216 = 8014^2 + 404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8048423 + ... + 8048430.

It is an arithmetic number, because the mean of its divisors is an integer number (18779663).

Almost surely, 2^64387412 is an apocalyptic number.

It is an amenable number.

64387412 is a deficient number, since it is larger than the sum of its proper divisors (48290566).

64387412 is a wasteful number, since it uses less digits than its factorization.

64387412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16096857 (or 16096855 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 64387412 is about 8024.1767178945. The cubic root of 64387412 is about 400.8054852284.

The spelling of 64387412 in words is "sixty-four million, three hundred eighty-seven thousand, four hundred twelve".