1372663671 has 16 divisors (see below), whose sum is σ = 1843776000. Its totient is φ = 908352000.

The previous prime is 1372663651. The next prime is 1372663709. The reversal of 1372663671 is 1763662731.

It is a happy number.

It is not a de Polignac number, because 1372663671 - 2¹⁹ = 1372139383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372663651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286546 + ... + 291296.

It is an arithmetic number, because the mean of its divisors is an integer number (115236000).

Almost surely, 2^1372663671 is an apocalyptic number.

1372663671 is a deficient number, since it is larger than the sum of its proper divisors (471112329).

1372663671 is a wasteful number, since it uses less digits than its factorization.

1372663671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446.

The product of its digits is 190512, while the sum is 42.

The square root of 1372663671 is about 37049.4759881972. The cubic root of 1372663671 is about 1111.3598762109.

The spelling of 1372663671 in words is "one billion, three hundred seventy-two million, six hundred sixty-three thousand, six hundred seventy-one".