72622533 has 8 divisors (see below), whose sum is σ = 96871648. Its totient is φ = 48394224.

The previous prime is 72622499. The next prime is 72622547. The reversal of 72622533 is 33522627.

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

It is not a de Polignac number, because 72622533 - 2¹⁰ = 72621509 is a prime.

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 72622533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72622133) 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, 7110 + ... + 13992.

It is an arithmetic number, because the mean of its divisors is an integer number (12108956).

Almost surely, 2^72622533 is an apocalyptic number.

It is an amenable number.

72622533 is a deficient number, since it is larger than the sum of its proper divisors (24249115).

72622533 is a wasteful number, since it uses less digits than its factorization.

72622533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403.

The product of its digits is 15120, while the sum is 30.

The square root of 72622533 is about 8521.8855307966. The cubic root of 72622533 is about 417.2123262394.

The spelling of 72622533 in words is "seventy-two million, six hundred twenty-two thousand, five hundred thirty-three".