79430506974 has 96 divisors (see below), whose sum is σ = 212034461184. Its totient is φ = 20926969920.

The previous prime is 79430506973. The next prime is 79430507011. The reversal of 79430506974 is 47960503497.

It is a happy number.

79430506974 is a `hidden beast` number, since 7 + 9 + 43 + 0 + 506 + 97 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 79430506974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79430506973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1585489 + ... + 1634819.

It is an arithmetic number, because the mean of its divisors is an integer number (2208692304).

Almost surely, 2^79430506974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79430506974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106017230592).

79430506974 is an abundant number, since it is smaller than the sum of its proper divisors (132603954210).

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

79430506974 is a wasteful number, since it uses less digits than its factorization.

79430506974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50342 (or 50339 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 79430506974 in words is "seventy-nine billion, four hundred thirty million, five hundred six thousand, nine hundred seventy-four".