72406202 has 16 divisors (see below), whose sum is σ = 119243232. Its totient is φ = 32700720.

The previous prime is 72406199. The next prime is 72406211. The reversal of 72406202 is 20260427.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7028 + ... + 13935.

It is an arithmetic number, because the mean of its divisors is an integer number (7452702).

Almost surely, 2^72406202 is an apocalyptic number.

72406202 is a deficient number, since it is larger than the sum of its proper divisors (46837030).

72406202 is a wasteful number, since it uses less digits than its factorization.

72406202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 72406202 is about 8509.1833920771. The cubic root of 72406202 is about 416.7976444410.

Adding to 72406202 its reverse (20260427), we get a palindrome (92666629).

The spelling of 72406202 in words is "seventy-two million, four hundred six thousand, two hundred two".