64070587 has 12 divisors (see below), whose sum is σ = 75940416. Its totient is φ = 53879280.

The previous prime is 64070581. The next prime is 64070597. The reversal of 64070587 is 78507046.

It is a happy number.

It is not a de Polignac number, because 64070587 - 2³ = 64070579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64070581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9739 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (6328368).

Almost surely, 2^64070587 is an apocalyptic number.

64070587 is a deficient number, since it is larger than the sum of its proper divisors (11869829).

64070587 is a wasteful number, since it uses less digits than its factorization.

64070587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24738 (or 24731 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 64070587 is about 8004.4104717337. The cubic root of 64070587 is about 400.1470022193.

The spelling of 64070587 in words is "sixty-four million, seventy thousand, five hundred eighty-seven".