72837796 has 6 divisors (see below), whose sum is σ = 127466150. Its totient is φ = 36418896.

The previous prime is 72837769. The next prime is 72837797. The reversal of 72837796 is 69773827.

It can be written as a sum of positive squares in only one way, i.e., 69488896 + 3348900 = 8336^2 + 1830^2 .

It is a super-2 number, since 2×72837796² = 10610689052275232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72837797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9104721 + ... + 9104728.

Almost surely, 2^72837796 is an apocalyptic number.

It is an amenable number.

72837796 is a deficient number, since it is larger than the sum of its proper divisors (54628354).

72837796 is a wasteful number, since it uses less digits than its factorization.

72837796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18209453 (or 18209451 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The square root of 72837796 is about 8534.5061954398. The cubic root of 72837796 is about 417.6241441808.

The spelling of 72837796 in words is "seventy-two million, eight hundred thirty-seven thousand, seven hundred ninety-six".