1372660671 has 4 divisors (see below), whose sum is σ = 1830214232. Its totient is φ = 915107112.

The previous prime is 1372660657. The next prime is 1372660673. The reversal of 1372660671 is 1760662731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1372660671 - 2⁷ = 1372660543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372660673) 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 3 ways as a sum of consecutive naturals, for example, 228776776 + ... + 228776781.

It is an arithmetic number, because the mean of its divisors is an integer number (457553558).

Almost surely, 2^1372660671 is an apocalyptic number.

1372660671 is a deficient number, since it is larger than the sum of its proper divisors (457553561).

1372660671 is an equidigital number, since it uses as much as digits as its factorization.

1372660671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457553560.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 1372660671 is about 37049.4355017725. The cubic root of 1372660671 is about 1111.3590665729.

The spelling of 1372660671 in words is "one billion, three hundred seventy-two million, six hundred sixty thousand, six hundred seventy-one".