72627763 has 4 divisors (see below), whose sum is σ = 78214528. Its totient is φ = 67041000.

The previous prime is 72627733. The next prime is 72627809. The reversal of 72627763 is 36772627.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-72627763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72627703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2793363 + ... + 2793388.

It is an arithmetic number, because the mean of its divisors is an integer number (19553632).

Almost surely, 2^72627763 is an apocalyptic number.

72627763 is a deficient number, since it is larger than the sum of its proper divisors (5586765).

72627763 is a wasteful number, since it uses less digits than its factorization.

72627763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586764.

The product of its digits is 148176, while the sum is 40.

The square root of 72627763 is about 8522.1923822453. The cubic root of 72627763 is about 417.2223413499. Note that the first 3 decimals are identical.

The spelling of 72627763 in words is "seventy-two million, six hundred twenty-seven thousand, seven hundred sixty-three".