72662422 has 32 divisors (see below), whose sum is σ = 131961600. Its totient is φ = 29312928.

The previous prime is 72662411. The next prime is 72662431. The reversal of 72662422 is 22426627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45229 + ... + 46807.

It is an arithmetic number, because the mean of its divisors is an integer number (4123800).

Almost surely, 2^72662422 is an apocalyptic number.

72662422 is a deficient number, since it is larger than the sum of its proper divisors (59299178).

72662422 is a wasteful number, since it uses less digits than its factorization.

72662422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its digits is 16128, while the sum is 31.

The square root of 72662422 is about 8524.2255953254. The cubic root of 72662422 is about 417.2886989377.

The spelling of 72662422 in words is "seventy-two million, six hundred sixty-two thousand, four hundred twenty-two".