1372745420 has 12 divisors (see below), whose sum is σ = 2882765424. Its totient is φ = 549098160.

The previous prime is 1372745411. The next prime is 1372745443. The reversal of 1372745420 is 245472731.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34318616 + ... + 34318655.

It is an arithmetic number, because the mean of its divisors is an integer number (240230452).

Almost surely, 2^1372745420 is an apocalyptic number.

1372745420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372745420 is an abundant number, since it is smaller than the sum of its proper divisors (1510020004).

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

1372745420 is a wasteful number, since it uses less digits than its factorization.

1372745420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68637280 (or 68637278 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 1372745420 is about 37050.5792127465. The cubic root of 1372745420 is about 1111.3819381228.

The spelling of 1372745420 in words is "one billion, three hundred seventy-two million, seven hundred forty-five thousand, four hundred twenty".