72275582 has 16 divisors (see below), whose sum is σ = 114998400. Its totient is φ = 33972120.

The previous prime is 72275537. The next prime is 72275587. The reversal of 72275582 is 28557227.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72275587) 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, 2282 + ... + 12237.

It is an arithmetic number, because the mean of its divisors is an integer number (7187400).

Almost surely, 2^72275582 is an apocalyptic number.

72275582 is a deficient number, since it is larger than the sum of its proper divisors (42722818).

72275582 is a wasteful number, since it uses less digits than its factorization.

72275582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14671.

The product of its digits is 78400, while the sum is 38.

The square root of 72275582 is about 8501.5046903475. The cubic root of 72275582 is about 416.5468607728.

The spelling of 72275582 in words is "seventy-two million, two hundred seventy-five thousand, five hundred eighty-two".