72268002 has 12 divisors (see below), whose sum is σ = 156580710. Its totient is φ = 24089328.

The previous prime is 72267997. The next prime is 72268013. The reversal of 72268002 is 20086227.

It can be written as a sum of positive squares in only one way, i.e., 49999041 + 22268961 = 7071^2 + 4719^2 .

It is a super-2 number, since 2×72268002² = 10445328226144008, which contains 22 as substring.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 2007427 + ... + 2007462.

Almost surely, 2^72268002 is an apocalyptic number.

72268002 is an abundant number, since it is smaller than the sum of its proper divisors (84312708).

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

72268002 is a wasteful number, since it uses less digits than its factorization.

72268002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014897 (or 4014894 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 72268002 is about 8501.0588752225. The cubic root of 72268002 is about 416.5322982908.

The spelling of 72268002 in words is "seventy-two million, two hundred sixty-eight thousand, two".