1372885747 has 4 divisors (see below), whose sum is σ = 1417172416. Its totient is φ = 1328599080.

The previous prime is 1372885741. The next prime is 1372885783. The reversal of 1372885747 is 7475882731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7475882731 = 139 ⋅53783329.

It is a cyclic number.

It is not a de Polignac number, because 1372885747 - 2³ = 1372885739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372885694 and 1372885703.

It is not an unprimeable number, because it can be changed into a prime (1372885741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22143288 + ... + 22143349.

It is an arithmetic number, because the mean of its divisors is an integer number (354293104).

Almost surely, 2^1372885747 is an apocalyptic number.

1372885747 is a deficient number, since it is larger than the sum of its proper divisors (44286669).

1372885747 is an equidigital number, since it uses as much as digits as its factorization.

1372885747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44286668.

The product of its digits is 2634240, while the sum is 52.

The square root of 1372885747 is about 37052.4728864350. The cubic root of 1372885747 is about 1111.4198066592.

The spelling of 1372885747 in words is "one billion, three hundred seventy-two million, eight hundred eighty-five thousand, seven hundred forty-seven".