72063762156 has 72 divisors (see below), whose sum is σ = 189453176640. Its totient is φ = 23951916432.

The previous prime is 72063762137. The next prime is 72063762163. The reversal of 72063762156 is 65126736027.

72063762156 is a `hidden beast` number, since 7 + 2 + 0 + 637 + 6 + 2 + 1 + 5 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230455 + ... + 444113.

It is an arithmetic number, because the mean of its divisors is an integer number (2631294120).

Almost surely, 2^72063762156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72063762156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94726588320).

72063762156 is an abundant number, since it is smaller than the sum of its proper divisors (117389414484).

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

72063762156 is a wasteful number, since it uses less digits than its factorization.

72063762156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214025 (or 214011 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 72063762156 in words is "seventy-two billion, sixty-three million, seven hundred sixty-two thousand, one hundred fifty-six".