72272357 has 8 divisors (see below), whose sum is σ = 72850752. Its totient is φ = 71696800.

The previous prime is 72272351. The next prime is 72272393. The reversal of 72272357 is 75327227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72272357 - 2¹⁴ = 72255973 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 (72272351) 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, 86978 + ... + 87804.

It is an arithmetic number, because the mean of its divisors is an integer number (9106344).

Almost surely, 2^72272357 is an apocalyptic number.

It is an amenable number.

72272357 is a deficient number, since it is larger than the sum of its proper divisors (578395).

72272357 is a wasteful number, since it uses less digits than its factorization.

72272357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419.

The product of its digits is 41160, while the sum is 35.

The square root of 72272357 is about 8501.3150159255. The cubic root of 72272357 is about 416.5406651183.

The spelling of 72272357 in words is "seventy-two million, two hundred seventy-two thousand, three hundred fifty-seven".