3129367872 has 28 divisors (see below), whose sum is σ = 8279786336. Its totient is φ = 1043122560.

The previous prime is 3129367859. The next prime is 3129367877. The reversal of 3129367872 is 2787639213.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129367877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8149204 + ... + 8149587.

Almost surely, 2^3129367872 is an apocalyptic number.

3129367872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3129367872 is an abundant number, since it is smaller than the sum of its proper divisors (5150418464).

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

3129367872 is a wasteful number, since it uses less digits than its factorization.

3129367872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16298806 (or 16298796 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 3129367872 is about 55940.7532305385. The cubic root of 3129367872 is about 1462.6897112072.

The spelling of 3129367872 in words is "three billion, one hundred twenty-nine million, three hundred sixty-seven thousand, eight hundred seventy-two".