79140742 has 8 divisors (see below), whose sum is σ = 121606632. Its totient is φ = 38605200.

The previous prime is 79140727. The next prime is 79140781. The reversal of 79140742 is 24704197.

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

It is a junction number, because it is equal to n+sod(n) for n = 79140698 and 79140707.

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, 482484 + ... + 482647.

It is an arithmetic number, because the mean of its divisors is an integer number (15200829).

Almost surely, 2^79140742 is an apocalyptic number.

79140742 is a deficient number, since it is larger than the sum of its proper divisors (42465890).

79140742 is a wasteful number, since it uses less digits than its factorization.

79140742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965174.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 79140742 is about 8896.1082502407. The cubic root of 79140742 is about 429.3387022774.

The spelling of 79140742 in words is "seventy-nine million, one hundred forty thousand, seven hundred forty-two".