72276994 has 8 divisors (see below), whose sum is σ = 113129280. Its totient is φ = 34567236.

The previous prime is 72276983. The next prime is 72277067. The reversal of 72276994 is 49967227.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 1571239 = 72276994 / (7 + 2 + 2 + 7 + 6 + 9 + 9 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785574 + ... + 785665.

It is an arithmetic number, because the mean of its divisors is an integer number (14141160).

Almost surely, 2^72276994 is an apocalyptic number.

72276994 is a deficient number, since it is larger than the sum of its proper divisors (40852286).

72276994 is a wasteful number, since it uses less digits than its factorization.

72276994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571264.

The product of its digits is 381024, while the sum is 46.

The square root of 72276994 is about 8501.5877340647. The cubic root of 72276994 is about 416.5495733548.

The spelling of 72276994 in words is "seventy-two million, two hundred seventy-six thousand, nine hundred ninety-four".