72796477 has 8 divisors (see below), whose sum is σ = 78770720. Its totient is φ = 66875760.

The previous prime is 72796459. The next prime is 72796489. The reversal of 72796477 is 77469727.

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 72796477 - 2⁷ = 72796349 is a prime.

It is a super-2 number, since 2×72796477² = 10598654127223058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72796477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72796417) 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, 10527 + ... + 16012.

It is an arithmetic number, because the mean of its divisors is an integer number (9846340).

Almost surely, 2^72796477 is an apocalyptic number.

It is an amenable number.

72796477 is a deficient number, since it is larger than the sum of its proper divisors (5974243).

72796477 is a wasteful number, since it uses less digits than its factorization.

72796477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26763.

The product of its digits is 1037232, while the sum is 49.

The square root of 72796477 is about 8532.0851495985. The cubic root of 72796477 is about 417.5451601143.

The spelling of 72796477 in words is "seventy-two million, seven hundred ninety-six thousand, four hundred seventy-seven".