72936020 has 24 divisors (see below), whose sum is σ = 154186368. Its totient is φ = 28980000.

The previous prime is 72935983. The next prime is 72936023. The reversal of 72936020 is 2063927.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72936023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9056 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (6424432).

Almost surely, 2^72936020 is an apocalyptic number.

It is an amenable number.

72936020 is an abundant number, since it is smaller than the sum of its proper divisors (81250348).

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

72936020 is a wasteful number, since it uses less digits than its factorization.

72936020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24311 (or 24309 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 72936020 is about 8540.2587782807. The cubic root of 72936020 is about 417.8117861779.

Adding to 72936020 its reverse (2063927), we get a palindrome (74999947).

The spelling of 72936020 in words is "seventy-two million, nine hundred thirty-six thousand, twenty".