1374432621 has 8 divisors (see below), whose sum is σ = 1929028320. Its totient is φ = 868062672.

The previous prime is 1374432611. The next prime is 1374432637. The reversal of 1374432621 is 1262344731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1374432621 - 2⁵ = 1374432589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374432611) 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 in 7 ways as a sum of consecutive naturals, for example, 12056370 + ... + 12056483.

It is an arithmetic number, because the mean of its divisors is an integer number (241128540).

Almost surely, 2^1374432621 is an apocalyptic number.

It is an amenable number.

1374432621 is a deficient number, since it is larger than the sum of its proper divisors (554595699).

1374432621 is a wasteful number, since it uses less digits than its factorization.

1374432621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24112875.

The product of its digits is 24192, while the sum is 33.

The square root of 1374432621 is about 37073.3411092122. The cubic root of 1374432621 is about 1111.8370739876.

The spelling of 1374432621 in words is "one billion, three hundred seventy-four million, four hundred thirty-two thousand, six hundred twenty-one".