72446479 has 8 divisors (see below), whose sum is σ = 82962720. Its totient is φ = 61971936.

The previous prime is 72446477. The next prime is 72446489. The reversal of 72446479 is 97464427.

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

It is a cyclic number.

It is not a de Polignac number, because 72446479 - 2¹ = 72446477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72446471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6604 + ... + 13729.

It is an arithmetic number, because the mean of its divisors is an integer number (10370340).

Almost surely, 2^72446479 is an apocalyptic number.

72446479 is a deficient number, since it is larger than the sum of its proper divisors (10516241).

72446479 is a wasteful number, since it uses less digits than its factorization.

72446479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20849.

The product of its digits is 338688, while the sum is 43.

The square root of 72446479 is about 8511.5497413808. The cubic root of 72446479 is about 416.8749133604.

The spelling of 72446479 in words is "seventy-two million, four hundred forty-six thousand, four hundred seventy-nine".