1372347427 has 16 divisors (see below), whose sum is σ = 1559257344. Its totient is φ = 1196748000.

The previous prime is 1372347349. The next prime is 1372347433. The reversal of 1372347427 is 7247432731.

It is a cyclic number.

It is not a de Polignac number, because 1372347427 - 2⁷ = 1372347299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372347427.

It is not an unprimeable number, because it can be changed into a prime (1372347227) 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, 5152 + ... + 52642.

It is an arithmetic number, because the mean of its divisors is an integer number (97453584).

Almost surely, 2^1372347427 is an apocalyptic number.

1372347427 is a deficient number, since it is larger than the sum of its proper divisors (186909917).

1372347427 is a wasteful number, since it uses less digits than its factorization.

1372347427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47610.

The product of its digits is 197568, while the sum is 40.

The square root of 1372347427 is about 37045.2078817220. The cubic root of 1372347427 is about 1111.2745219968.

The spelling of 1372347427 in words is "one billion, three hundred seventy-two million, three hundred forty-seven thousand, four hundred twenty-seven".