79782742 has 8 divisors (see below), whose sum is σ = 128879856. Its totient is φ = 36822792.

The previous prime is 79782737. The next prime is 79782743. The reversal of 79782742 is 24728797.

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 = 79782692 and 79782701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79782743) 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, 1534258 + ... + 1534309.

It is an arithmetic number, because the mean of its divisors is an integer number (16109982).

Almost surely, 2^79782742 is an apocalyptic number.

79782742 is a deficient number, since it is larger than the sum of its proper divisors (49097114).

79782742 is a wasteful number, since it uses less digits than its factorization.

79782742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068582.

The product of its digits is 395136, while the sum is 46.

The square root of 79782742 is about 8932.1185616851. The cubic root of 79782742 is about 430.4965275671.

The spelling of 79782742 in words is "seventy-nine million, seven hundred eighty-two thousand, seven hundred forty-two".