72647366 has 8 divisors (see below), whose sum is σ = 118877544. Its totient is φ = 33021520.

The previous prime is 72647359. The next prime is 72647389. The reversal of 72647366 is 66374627.

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, 1651055 + ... + 1651098.

It is an arithmetic number, because the mean of its divisors is an integer number (14859693).

Almost surely, 2^72647366 is an apocalyptic number.

72647366 is a deficient number, since it is larger than the sum of its proper divisors (46230178).

72647366 is a wasteful number, since it uses less digits than its factorization.

72647366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302166.

The product of its digits is 254016, while the sum is 41.

The square root of 72647366 is about 8523.3424194972. The cubic root of 72647366 is about 417.2598755447.

The spelling of 72647366 in words is "seventy-two million, six hundred forty-seven thousand, three hundred sixty-six".