1376309472 has 48 divisors (see below), whose sum is σ = 3631017600. Its totient is φ = 456458112.

The previous prime is 1376309383. The next prime is 1376309483. The reversal of 1376309472 is 2749036731.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16918 + ... + 55125.

It is an arithmetic number, because the mean of its divisors is an integer number (75646200).

Almost surely, 2^1376309472 is an apocalyptic number.

1376309472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1376309472 is an abundant number, since it is smaller than the sum of its proper divisors (2254708128).

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

1376309472 is a wasteful number, since it uses less digits than its factorization.

1376309472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72255 (or 72247 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 1376309472 is about 37098.6451504634. The cubic root of 1376309472 is about 1112.3429320316.

The spelling of 1376309472 in words is "one billion, three hundred seventy-six million, three hundred nine thousand, four hundred seventy-two".