72453898 has 16 divisors (see below), whose sum is σ = 125535744. Its totient is φ = 30996160.

The previous prime is 72453893. The next prime is 72453917. The reversal of 72453898 is 89835427.

It is not an unprimeable number, because it can be changed into a prime (72453893) 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 7 ways as a sum of consecutive naturals, for example, 96490 + ... + 97237.

It is an arithmetic number, because the mean of its divisors is an integer number (7845984).

Almost surely, 2^72453898 is an apocalyptic number.

72453898 is a deficient number, since it is larger than the sum of its proper divisors (53081846).

72453898 is a wasteful number, since it uses less digits than its factorization.

72453898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193757.

The product of its digits is 483840, while the sum is 46.

The square root of 72453898 is about 8511.9855497998. The cubic root of 72453898 is about 416.8891431268.

The spelling of 72453898 in words is "seventy-two million, four hundred fifty-three thousand, eight hundred ninety-eight".