79111742 has 4 divisors (see below), whose sum is σ = 118667616. Its totient is φ = 39555870.

The previous prime is 79111717. The next prime is 79111771. The reversal of 79111742 is 24711197.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 79111699 and 79111708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19777934 + ... + 19777937.

It is an arithmetic number, because the mean of its divisors is an integer number (29666904).

Almost surely, 2^79111742 is an apocalyptic number.

79111742 is a deficient number, since it is larger than the sum of its proper divisors (39555874).

79111742 is a wasteful number, since it uses less digits than its factorization.

79111742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39555873.

The product of its digits is 3528, while the sum is 32.

The square root of 79111742 is about 8894.4781746879. The cubic root of 79111742 is about 429.2862541823.

The spelling of 79111742 in words is "seventy-nine million, one hundred eleven thousand, seven hundred forty-two".