64087672 has 16 divisors (see below), whose sum is σ = 131088600. Its totient is φ = 29130720.

The previous prime is 64087669. The next prime is 64087679. The reversal of 64087672 is 27678046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64087679) 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, 364047 + ... + 364222.

Almost surely, 2^64087672 is an apocalyptic number.

It is an amenable number.

64087672 is an abundant number, since it is smaller than the sum of its proper divisors (67000928).

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

64087672 is a wasteful number, since it uses less digits than its factorization.

64087672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728286 (or 728282 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 64087672 is about 8005.4776247267. The cubic root of 64087672 is about 400.1825666609.

The spelling of 64087672 in words is "sixty-four million, eighty-seven thousand, six hundred seventy-two".