1372921704 has 512 divisors, whose sum is σ = 5148057600. Its totient is φ = 328458240.

The previous prime is 1372921663. The next prime is 1372921709. The reversal of 1372921704 is 4071292731.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1372921709) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14153784 + ... + 14153880.

It is an arithmetic number, because the mean of its divisors is an integer number (10054800).

Almost surely, 2^1372921704 is an apocalyptic number.

1372921704 is a gapful number since it is divisible by the number (14) 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 1372921704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2574028800).

1372921704 is an abundant number, since it is smaller than the sum of its proper divisors (3775135896).

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

1372921704 is a wasteful number, since it uses less digits than its factorization.

1372921704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1372921704 is about 37052.9581005350. The cubic root of 1372921704 is about 1111.4295095722.

The spelling of 1372921704 in words is "one billion, three hundred seventy-two million, nine hundred twenty-one thousand, seven hundred four".