72788158 has 8 divisors (see below), whose sum is σ = 109225800. Its totient is φ = 36379560.

The previous prime is 72788153. The next prime is 72788249. The reversal of 72788158 is 85188727.

It is a happy number.

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 (72788153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793 + ... + 12091.

It is an arithmetic number, because the mean of its divisors is an integer number (13653225).

Almost surely, 2^72788158 is an apocalyptic number.

72788158 is a deficient number, since it is larger than the sum of its proper divisors (36437642).

72788158 is a wasteful number, since it uses less digits than its factorization.

72788158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14522.

The product of its digits is 250880, while the sum is 46.

The square root of 72788158 is about 8531.5976229543. The cubic root of 72788158 is about 417.5292541682.

The spelling of 72788158 in words is "seventy-two million, seven hundred eighty-eight thousand, one hundred fifty-eight".