72623053 has 4 divisors (see below), whose sum is σ = 72747360. Its totient is φ = 72498748.

The previous prime is 72623011. The next prime is 72623077. The reversal of 72623053 is 35032627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72623053 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 (72623003) 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, 61273 + ... + 62446.

It is an arithmetic number, because the mean of its divisors is an integer number (18186840).

Almost surely, 2^72623053 is an apocalyptic number.

It is an amenable number.

72623053 is a deficient number, since it is larger than the sum of its proper divisors (124307).

72623053 is a wasteful number, since it uses less digits than its factorization.

72623053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124306.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 72623053 is about 8521.9160404219. The cubic root of 72623053 is about 417.2133220271.

The spelling of 72623053 in words is "seventy-two million, six hundred twenty-three thousand, fifty-three".