72153326 has 16 divisors (see below), whose sum is σ = 124003680. Its totient is φ = 30844800.

The previous prime is 72153281. The next prime is 72153329. The reversal of 72153326 is 62335127.

It is a super-2 number, since 2×72153326² = 10412204905724552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72153329) 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, 575 + ... + 12026.

It is an arithmetic number, because the mean of its divisors is an integer number (7750230).

Almost surely, 2^72153326 is an apocalyptic number.

72153326 is a deficient number, since it is larger than the sum of its proper divisors (51850354).

72153326 is a wasteful number, since it uses less digits than its factorization.

72153326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019.

The product of its digits is 7560, while the sum is 29.

The square root of 72153326 is about 8494.3113905719. The cubic root of 72153326 is about 416.3118616557.

The spelling of 72153326 in words is "seventy-two million, one hundred fifty-three thousand, three hundred twenty-six".