1372871808 has 576 divisors, whose sum is σ = 5258181600. Its totient is φ = 351267840.

The previous prime is 1372871807. The next prime is 1372871821. The reversal of 1372871808 is 8081782731.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (1372871807) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20490591 + ... + 20490657.

Almost surely, 2^1372871808 is an apocalyptic number.

1372871808 is a gapful number since it is divisible by the number (18) 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 1372871808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2629090800).

1372871808 is an abundant number, since it is smaller than the sum of its proper divisors (3885309792).

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

1372871808 is a wasteful number, since it uses less digits than its factorization.

1372871808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 1372871808 is about 37052.2847878508. The cubic root of 1372871808 is about 1111.4160452068.

The spelling of 1372871808 in words is "one billion, three hundred seventy-two million, eight hundred seventy-one thousand, eight hundred eight".