6974963640 has 96 divisors (see below), whose sum is σ = 22813202880. Its totient is φ = 1848128256.

The previous prime is 6974963629. The next prime is 6974963689. The reversal of 6974963640 is 463694796.

6974963640 is a `hidden beast` number, since 6 + 97 + 496 + 3 + 64 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5184 + ... + 118223.

It is an arithmetic number, because the mean of its divisors is an integer number (237637530).

Almost surely, 2^6974963640 is an apocalyptic number.

6974963640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6974963640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11406601440).

6974963640 is an abundant number, since it is smaller than the sum of its proper divisors (15838239240).

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

6974963640 is a wasteful number, since it uses less digits than its factorization.

6974963640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123581 (or 123574 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The square root of 6974963640 is about 83516.2477605406. The cubic root of 6974963640 is about 1910.6478472641.

The spelling of 6974963640 in words is "six billion, nine hundred seventy-four million, nine hundred sixty-three thousand, six hundred forty".