72454882 has 8 divisors (see below), whose sum is σ = 108957276. Its totient is φ = 36135792.

The previous prime is 72454819. The next prime is 72454883. The reversal of 72454882 is 28845427.

It can be written as a sum of positive squares in 2 ways, for example, as 58384881 + 14070001 = 7641^2 + 3751^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72454883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44833 + ... + 46420.

Almost surely, 2^72454882 is an apocalyptic number.

72454882 is a deficient number, since it is larger than the sum of its proper divisors (36502394).

72454882 is a wasteful number, since it uses less digits than its factorization.

72454882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91652.

The product of its digits is 143360, while the sum is 40.

The square root of 72454882 is about 8512.0433504535. The cubic root of 72454882 is about 416.8910303823.

The spelling of 72454882 in words is "seventy-two million, four hundred fifty-four thousand, eight hundred eighty-two".