1372740520 has 32 divisors (see below), whose sum is σ = 3195174600. Its totient is φ = 530161408.

The previous prime is 1372740461. The next prime is 1372740541. The reversal of 1372740520 is 250472731.

It can be written as a sum of positive squares in 4 ways, for example, as 927446116 + 445294404 = 30454^2 + 21102^2 .

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, 590539 + ... + 592858.

Almost surely, 2^1372740520 is an apocalyptic number.

1372740520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372740520 is an abundant number, since it is smaller than the sum of its proper divisors (1822434080).

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

1372740520 is a wasteful number, since it uses less digits than its factorization.

1372740520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183437 (or 1183433 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 1372740520 is about 37050.5130868656. The cubic root of 1372740520 is about 1111.3806157660.

The spelling of 1372740520 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, five hundred twenty".