72858998 has 8 divisors (see below), whose sum is σ = 109357992. Its totient is φ = 36406336.

The previous prime is 72858997. The next prime is 72859001. The reversal of 72858998 is 89985827.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72858997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7340 + ... + 14127.

It is an arithmetic number, because the mean of its divisors is an integer number (13669749).

Almost surely, 2^72858998 is an apocalyptic number.

72858998 is a deficient number, since it is larger than the sum of its proper divisors (36498994).

72858998 is a wasteful number, since it uses less digits than its factorization.

72858998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23166.

The product of its digits is 2903040, while the sum is 56.

The square root of 72858998 is about 8535.7482390239. The cubic root of 72858998 is about 417.6646616438.

The spelling of 72858998 in words is "seventy-two million, eight hundred fifty-eight thousand, nine hundred ninety-eight".