1372732433 has 2 divisors, whose sum is σ = 1372732434. Its totient is φ = 1372732432.

The previous prime is 1372732327. The next prime is 1372732469. The reversal of 1372732433 is 3342372731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1157904784 + 214827649 = 34028^2 + 14657^2 .

It is an emirp because it is prime and its reverse (3342372731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1372732433 - 2⁸ = 1372732177 is a prime.

It is a super-2 number, since 2×1372732433² = 3768788665220198978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1372732393 and 1372732402.

It is not a weakly prime, because it can be changed into another prime (1372731433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686366216 + 686366217.

It is an arithmetic number, because the mean of its divisors is an integer number (686366217).

Almost surely, 2^1372732433 is an apocalyptic number.

It is an amenable number.

1372732433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372732433 is an equidigital number, since it uses as much as digits as its factorization.

1372732433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 35.

The square root of 1372732433 is about 37050.4039519139. The cubic root of 1372732433 is about 1111.3784333305.

The spelling of 1372732433 in words is "one billion, three hundred seventy-two million, seven hundred thirty-two thousand, four hundred thirty-three".