72621260 has 24 divisors (see below), whose sum is σ = 152863200. Its totient is φ = 28980224.

The previous prime is 72621257. The next prime is 72621277. The reversal of 72621260 is 6212627.

It is an unprimeable number.

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, 4937 + ... + 13023.

It is an arithmetic number, because the mean of its divisors is an integer number (6369300).

Almost surely, 2^72621260 is an apocalyptic number.

It is an amenable number.

72621260 is an abundant number, since it is smaller than the sum of its proper divisors (80241940).

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

72621260 is a wasteful number, since it uses less digits than its factorization.

72621260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545 (or 8543 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 72621260 is about 8521.8108404259. The cubic root of 72621260 is about 417.2098884542.

Adding to 72621260 its reverse (6212627), we get a palindrome (78833887).

The spelling of 72621260 in words is "seventy-two million, six hundred twenty-one thousand, two hundred sixty".