72266207 has 16 divisors (see below), whose sum is σ = 82047168. Its totient is φ = 63148800.

The previous prime is 72266197. The next prime is 72266219. The reversal of 72266207 is 70266227.

It is not a de Polignac number, because 72266207 - 2⁸ = 72265951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72266287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29003 + ... + 31395.

It is an arithmetic number, because the mean of its divisors is an integer number (5127948).

Almost surely, 2^72266207 is an apocalyptic number.

72266207 is a deficient number, since it is larger than the sum of its proper divisors (9780961).

72266207 is a wasteful number, since it uses less digits than its factorization.

72266207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 72266207 is about 8500.9532994835. The cubic root of 72266207 is about 416.5288496383.

The spelling of 72266207 in words is "seventy-two million, two hundred sixty-six thousand, two hundred seven".