72373766 has 8 divisors (see below), whose sum is σ = 110400840. Its totient is φ = 35573488.

The previous prime is 72373751. The next prime is 72373771. The reversal of 72373766 is 66737327.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306551 + ... + 306786.

It is an arithmetic number, because the mean of its divisors is an integer number (13800105).

Almost surely, 2^72373766 is an apocalyptic number.

72373766 is a deficient number, since it is larger than the sum of its proper divisors (38027074).

72373766 is a wasteful number, since it uses less digits than its factorization.

72373766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613398.

The product of its digits is 222264, while the sum is 41.

The square root of 72373766 is about 8507.2772377536. The cubic root of 72373766 is about 416.7353971598.

The spelling of 72373766 in words is "seventy-two million, three hundred seventy-three thousand, seven hundred sixty-six".