1373890632 has 64 divisors (see below), whose sum is σ = 3672190080. Its totient is φ = 426826752.

The previous prime is 1373890621. The next prime is 1373890657. The reversal of 1373890632 is 2360983731.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25678 + ... + 58370.

It is an arithmetic number, because the mean of its divisors is an integer number (57377970).

Almost surely, 2^1373890632 is an apocalyptic number.

1373890632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373890632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1836095040).

1373890632 is an abundant number, since it is smaller than the sum of its proper divisors (2298299448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373890632 is a wasteful number, since it uses less digits than its factorization.

1373890632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32822 (or 32818 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 1373890632 is about 37066.0307019783. The cubic root of 1373890632 is about 1111.6909087793.

The spelling of 1373890632 in words is "one billion, three hundred seventy-three million, eight hundred ninety thousand, six hundred thirty-two".