72072762 has 32 divisors (see below), whose sum is σ = 146477760. Its totient is φ = 23639040.

The previous prime is 72072713. The next prime is 72072769. The reversal of 72072762 is 26727027.

It is not an unprimeable number, because it can be changed into a prime (72072769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125937 + ... + 126507.

It is an arithmetic number, because the mean of its divisors is an integer number (4577430).

Almost surely, 2^72072762 is an apocalyptic number.

72072762 is an abundant number, since it is smaller than the sum of its proper divisors (74404998).

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

72072762 is a wasteful number, since it uses less digits than its factorization.

72072762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 72072762 is about 8489.5678335237. The cubic root of 72072762 is about 416.1568572988.

Adding to 72072762 its reverse (26727027), we get a palindrome (98799789).

The spelling of 72072762 in words is "seventy-two million, seventy-two thousand, seven hundred sixty-two".