718109842 has 16 divisors (see below), whose sum is σ = 1093276800. Its totient is φ = 353705040.

The previous prime is 718109839. The next prime is 718109863. The reversal of 718109842 is 248901817.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 718109795 and 718109804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67909 + ... + 77767.

It is an arithmetic number, because the mean of its divisors is an integer number (68329800).

Almost surely, 2^718109842 is an apocalyptic number.

718109842 is a deficient number, since it is larger than the sum of its proper divisors (375166958).

718109842 is a wasteful number, since it uses less digits than its factorization.

718109842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10401.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 718109842 is about 26797.5715690807. The cubic root of 718109842 is about 895.4959505869.

The spelling of 718109842 in words is "seven hundred eighteen million, one hundred nine thousand, eight hundred forty-two".