1372017979 has 8 divisors (see below), whose sum is σ = 1415004480. Its totient is φ = 1329342336.

The previous prime is 1372017967. The next prime is 1372018003. The reversal of 1372017979 is 9797102731.

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

It is a cyclic number.

It is not a de Polignac number, because 1372017979 - 2⁵ = 1372017947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372047979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68734 + ... + 86419.

It is an arithmetic number, because the mean of its divisors is an integer number (176875560).

Almost surely, 2^1372017979 is an apocalyptic number.

1372017979 is a deficient number, since it is larger than the sum of its proper divisors (42986501).

1372017979 is a wasteful number, since it uses less digits than its factorization.

1372017979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155429.

The product of its (nonzero) digits is 166698, while the sum is 46.

The square root of 1372017979 is about 37040.7610477971. The cubic root of 1372017979 is about 1111.1855900782.

The spelling of 1372017979 in words is "one billion, three hundred seventy-two million, seventeen thousand, nine hundred seventy-nine".