79207490 has 16 divisors (see below), whose sum is σ = 146051640. Its totient is φ = 30910080.

The previous prime is 79207489. The next prime is 79207517. The reversal of 79207490 is 9470297.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25170289 + 54037201 = 5017^2 + 7351^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96185 + ... + 97004.

Almost surely, 2^79207490 is an apocalyptic number.

79207490 is a deficient number, since it is larger than the sum of its proper divisors (66844150).

79207490 is a wasteful number, since it uses less digits than its factorization.

79207490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193237.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 79207490 is about 8899.8589876469. The cubic root of 79207490 is about 429.4593710424.

It can be divided in two parts, 79207 and 490, that added together give a palindrome (79697).

The spelling of 79207490 in words is "seventy-nine million, two hundred seven thousand, four hundred ninety".