72501158 has 8 divisors (see below), whose sum is σ = 115148952. Its totient is φ = 34118176.

The previous prime is 72501113. The next prime is 72501193. The reversal of 72501158 is 85110527.

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

It is a super-2 number, since 2×72501158² = 10512835822681928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72501158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066160 + ... + 1066227.

It is an arithmetic number, because the mean of its divisors is an integer number (14393619).

Almost surely, 2^72501158 is an apocalyptic number.

72501158 is a deficient number, since it is larger than the sum of its proper divisors (42647794).

72501158 is a wasteful number, since it uses less digits than its factorization.

72501158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132406.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 72501158 is about 8514.7611827931. The cubic root of 72501158 is about 416.9797658043.

The spelling of 72501158 in words is "seventy-two million, five hundred one thousand, one hundred fifty-eight".