72016536 has 32 divisors (see below), whose sum is σ = 189518400. Its totient is φ = 22741920.

The previous prime is 72016531. The next prime is 72016543. The reversal of 72016536 is 63561027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72016531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78510 + ... + 79421.

It is an arithmetic number, because the mean of its divisors is an integer number (5922450).

Almost surely, 2^72016536 is an apocalyptic number.

72016536 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72016536 is an abundant number, since it is smaller than the sum of its proper divisors (117501864).

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

72016536 is a wasteful number, since it uses less digits than its factorization.

72016536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157959 (or 157955 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 72016536 is about 8486.2557114431. The cubic root of 72016536 is about 416.0486105671.

The spelling of 72016536 in words is "seventy-two million, sixteen thousand, five hundred thirty-six".