72975282 has 32 divisors (see below), whose sum is σ = 148220160. Its totient is φ = 23950080.

The previous prime is 72975277. The next prime is 72975289. The reversal of 72975282 is 28257927.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72975289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157383 + ... + 157845.

It is an arithmetic number, because the mean of its divisors is an integer number (4631880).

Almost surely, 2^72975282 is an apocalyptic number.

72975282 is an abundant number, since it is smaller than the sum of its proper divisors (75244878).

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

72975282 is a wasteful number, since it uses less digits than its factorization.

72975282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818.

The product of its digits is 141120, while the sum is 42.

The square root of 72975282 is about 8542.5571113104. The cubic root of 72975282 is about 417.8867431230.

The spelling of 72975282 in words is "seventy-two million, nine hundred seventy-five thousand, two hundred eighty-two".