1372740540 has 48 divisors (see below), whose sum is σ = 3845348640. Its totient is φ = 365904640.

The previous prime is 1372740461. The next prime is 1372740541. The reversal of 1372740540 is 450472731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372740541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211666 + ... + 218054.

It is an arithmetic number, because the mean of its divisors is an integer number (80111430).

Almost surely, 2^1372740540 is an apocalyptic number.

1372740540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372740540 is an abundant number, since it is smaller than the sum of its proper divisors (2472608100).

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

1372740540 is a wasteful number, since it uses less digits than its factorization.

1372740540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9982 (or 9980 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 1372740540 is about 37050.5133567674. The cubic root of 1372740540 is about 1111.3806211634.

The spelling of 1372740540 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, five hundred forty".