72064510 has 32 divisors (see below), whose sum is σ = 149729472. Its totient is φ = 24460800.

The previous prime is 72064477. The next prime is 72064571. The reversal of 72064510 is 1546027.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974 + ... + 12166.

It is an arithmetic number, because the mean of its divisors is an integer number (4679046).

Almost surely, 2^72064510 is an apocalyptic number.

72064510 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72064510 is an abundant number, since it is smaller than the sum of its proper divisors (77664962).

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

72064510 is a wasteful number, since it uses less digits than its factorization.

72064510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10308.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 72064510 is about 8489.0818113622. The cubic root of 72064510 is about 416.1409740101.

The spelling of 72064510 in words is "seventy-two million, sixty-four thousand, five hundred ten".