6737561380 has 96 divisors (see below), whose sum is σ = 16367702400. Its totient is φ = 2302433280.

The previous prime is 6737561371. The next prime is 6737561399. The reversal of 6737561380 is 831657376.

It is a self number, because there is not a number n which added to its sum of digits gives 6737561380.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4348846 + ... + 4350394.

It is an arithmetic number, because the mean of its divisors is an integer number (170496900).

Almost surely, 2^6737561380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6737561380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8183851200).

6737561380 is an abundant number, since it is smaller than the sum of its proper divisors (9630141020).

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

6737561380 is a wasteful number, since it uses less digits than its factorization.

6737561380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 6737561380 is about 82082.6496892005. The cubic root of 6737561380 is about 1888.7199959230.

The spelling of 6737561380 in words is "six billion, seven hundred thirty-seven million, five hundred sixty-one thousand, three hundred eighty".