72536622 has 8 divisors (see below), whose sum is σ = 145073256. Its totient is φ = 24178872.

The previous prime is 72536609. The next prime is 72536677. The reversal of 72536622 is 22663527.

It is a happy number.

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

72536622 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6044713 + ... + 6044724.

It is an arithmetic number, because the mean of its divisors is an integer number (18134157).

Almost surely, 2^72536622 is an apocalyptic number.

72536622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72536622 is a wasteful number, since it uses less digits than its factorization.

72536622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12089442.

The product of its digits is 30240, while the sum is 33.

The square root of 72536622 is about 8516.8434293463. The cubic root of 72536622 is about 417.0477433848.

The spelling of 72536622 in words is "seventy-two million, five hundred thirty-six thousand, six hundred twenty-two".