79258542 has 16 divisors (see below), whose sum is σ = 172927872. Its totient is φ = 24017720.

The previous prime is 79258513. The next prime is 79258547. The reversal of 79258542 is 24585297.

It is a junction number, because it is equal to n+sod(n) for n = 79258494 and 79258503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79258547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600378 + ... + 600509.

It is an arithmetic number, because the mean of its divisors is an integer number (10807992).

Almost surely, 2^79258542 is an apocalyptic number.

79258542 is an abundant number, since it is smaller than the sum of its proper divisors (93669330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79258542 is a wasteful number, since it uses less digits than its factorization.

79258542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200903.

The product of its digits is 201600, while the sum is 42.

The square root of 79258542 is about 8902.7266609730. The cubic root of 79258542 is about 429.5516184257.

It can be divided in two parts, 79258 and 542, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 79258542 in words is "seventy-nine million, two hundred fifty-eight thousand, five hundred forty-two".