79228018 has 8 divisors (see below), whose sum is σ = 118896300. Its totient is φ = 39595920.

The previous prime is 79228003. The next prime is 79228021. The reversal of 79228018 is 81082297.

It can be written as a sum of positive squares in 2 ways, for example, as 67026969 + 12201049 = 8187^2 + 3493^2 .

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

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, 2673 + ... + 12868.

Almost surely, 2^79228018 is an apocalyptic number.

79228018 is a deficient number, since it is larger than the sum of its proper divisors (39668282).

79228018 is a wasteful number, since it uses less digits than its factorization.

79228018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18092.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 79228018 is about 8901.0121896333. The cubic root of 79228018 is about 429.4964684620.

The spelling of 79228018 in words is "seventy-nine million, two hundred twenty-eight thousand, eighteen".