1372927547 has 2 divisors, whose sum is σ = 1372927548. Its totient is φ = 1372927546.

The previous prime is 1372927471. The next prime is 1372927559. The reversal of 1372927547 is 7457292731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372927547 is a prime.

It is a super-2 number, since 2×1372927547² = 3769860098622874418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1372927147) 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 as a sum of consecutive naturals, namely, 686463773 + 686463774.

It is an arithmetic number, because the mean of its divisors is an integer number (686463774).

Almost surely, 2^1372927547 is an apocalyptic number.

1372927547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372927547 is an equidigital number, since it uses as much as digits as its factorization.

1372927547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 47.

The square root of 1372927547 is about 37053.0369470574. The cubic root of 1372927547 is about 1111.4310862762.

The spelling of 1372927547 in words is "one billion, three hundred seventy-two million, nine hundred twenty-seven thousand, five hundred forty-seven".