79486738 has 8 divisors (see below), whose sum is σ = 123341580. Its totient is φ = 38372880.

The previous prime is 79486717. The next prime is 79486793. The reversal of 79486738 is 83768497.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75811849 + 3674889 = 8707^2 + 1917^2 .

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

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, 685173 + ... + 685288.

Almost surely, 2^79486738 is an apocalyptic number.

79486738 is a deficient number, since it is larger than the sum of its proper divisors (43854842).

79486738 is a wasteful number, since it uses less digits than its factorization.

79486738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370492.

The product of its digits is 2032128, while the sum is 52.

The square root of 79486738 is about 8915.5335230148. The cubic root of 79486738 is about 429.9634690437.

The spelling of 79486738 in words is "seventy-nine million, four hundred eighty-six thousand, seven hundred thirty-eight".