72265562 has 8 divisors (see below), whose sum is σ = 108811296. Its totient is φ = 35995132.

The previous prime is 72265559. The next prime is 72265577. The reversal of 72265562 is 26556227.

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

It is a super-2 number, since 2×72265562² = 10444622902351688, which contains 22 as substring.

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, 68168 + ... + 69219.

It is an arithmetic number, because the mean of its divisors is an integer number (13601412).

Almost surely, 2^72265562 is an apocalyptic number.

72265562 is a deficient number, since it is larger than the sum of its proper divisors (36545734).

72265562 is a wasteful number, since it uses less digits than its factorization.

72265562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137652.

The product of its digits is 50400, while the sum is 35.

The square root of 72265562 is about 8500.9153624771. The cubic root of 72265562 is about 416.5276104150.

It can be divided in two parts, 72265 and 562, that added together give a palindrome (72827).

The spelling of 72265562 in words is "seventy-two million, two hundred sixty-five thousand, five hundred sixty-two".