72672310 has 16 divisors (see below), whose sum is σ = 132387696. Its totient is φ = 28718368.

The previous prime is 72672251. The next prime is 72672311. The reversal of 72672310 is 1327627.

It is a super-2 number, since 2×72672310² = 10562529281472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72672311) 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, 42949 + ... + 44608.

It is an arithmetic number, because the mean of its divisors is an integer number (8274231).

Almost surely, 2^72672310 is an apocalyptic number.

72672310 is a deficient number, since it is larger than the sum of its proper divisors (59715386).

72672310 is a wasteful number, since it uses less digits than its factorization.

72672310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87647.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 72672310 is about 8524.8055696303. The cubic root of 72672310 is about 417.3076264814.

Adding to 72672310 its reverse (1327627), we get a palindrome (73999937).

The spelling of 72672310 in words is "seventy-two million, six hundred seventy-two thousand, three hundred ten".