72211874 has 8 divisors (see below), whose sum is σ = 123791808. Its totient is φ = 30947940.

The previous prime is 72211847. The next prime is 72211877. The reversal of 72211874 is 47811227.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72211874.

It is not an unprimeable number, because it can be changed into a prime (72211877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2578982 + ... + 2579009.

It is an arithmetic number, because the mean of its divisors is an integer number (15473976).

Almost surely, 2^72211874 is an apocalyptic number.

72211874 is a deficient number, since it is larger than the sum of its proper divisors (51579934).

72211874 is a wasteful number, since it uses less digits than its factorization.

72211874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158000.

The product of its digits is 6272, while the sum is 32.

The square root of 72211874 is about 8497.7569981731. The cubic root of 72211874 is about 416.4244350623.

The spelling of 72211874 in words is "seventy-two million, two hundred eleven thousand, eight hundred seventy-four".