72010064 has 20 divisors (see below), whose sum is σ = 159451104. Its totient is φ = 30861408.

The previous prime is 72010051. The next prime is 72010067. The reversal of 72010064 is 46001027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72010067) 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, 321362 + ... + 321585.

Almost surely, 2^72010064 is an apocalyptic number.

It is an amenable number.

72010064 is an abundant number, since it is smaller than the sum of its proper divisors (87441040).

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

72010064 is a wasteful number, since it uses less digits than its factorization.

72010064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642962 (or 642956 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 72010064 is about 8485.8743804042. The cubic root of 72010064 is about 416.0361470070.

The spelling of 72010064 in words is "seventy-two million, ten thousand, sixty-four".