72064662 has 8 divisors (see below), whose sum is σ = 144129336. Its totient is φ = 24021552.

The previous prime is 72064639. The next prime is 72064673. The reversal of 72064662 is 26646027.

It is a sphenic number, since it is the product of 3 distinct primes.

72064662 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6005383 + ... + 6005394.

It is an arithmetic number, because the mean of its divisors is an integer number (18016167).

Almost surely, 2^72064662 is an apocalyptic number.

72064662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72064662 is a wasteful number, since it uses less digits than its factorization.

72064662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12010782.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 72064662 is about 8489.0907640336. The cubic root of 72064662 is about 416.1412665877.

The spelling of 72064662 in words is "seventy-two million, sixty-four thousand, six hundred sixty-two".