79740398 has 8 divisors (see below), whose sum is σ = 119650080. Its totient is φ = 39857040.

The previous prime is 79740377. The next prime is 79740403. The reversal of 79740398 is 89304797.

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

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, 5243 + ... + 13673.

It is an arithmetic number, because the mean of its divisors is an integer number (14956260).

Almost surely, 2^79740398 is an apocalyptic number.

79740398 is a deficient number, since it is larger than the sum of its proper divisors (39909682).

79740398 is a wasteful number, since it uses less digits than its factorization.

79740398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13162.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 79740398 is about 8929.7479247737. The cubic root of 79740398 is about 430.4203533202.

The spelling of 79740398 in words is "seventy-nine million, seven hundred forty thousand, three hundred ninety-eight".