79642748 has 6 divisors (see below), whose sum is σ = 139374816. Its totient is φ = 39821372.

The previous prime is 79642741. The next prime is 79642753. The reversal of 79642748 is 84724697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79642741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9955340 + ... + 9955347.

It is an arithmetic number, because the mean of its divisors is an integer number (23229136).

Almost surely, 2^79642748 is an apocalyptic number.

It is an amenable number.

79642748 is a deficient number, since it is larger than the sum of its proper divisors (59732068).

79642748 is a wasteful number, since it uses less digits than its factorization.

79642748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19910691 (or 19910689 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 79642748 is about 8924.2785702823. The cubic root of 79642748 is about 430.2445841279.

The spelling of 79642748 in words is "seventy-nine million, six hundred forty-two thousand, seven hundred forty-eight".