6240661715 has 8 divisors (see below), whose sum is σ = 7489667328. Its totient is φ = 4991947200.

The previous prime is 6240661703. The next prime is 6240661727. The reversal of 6240661715 is 5171660426.

6240661715 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6240661703) and next prime (6240661727).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6240661715 is a prime.

It is a Duffinian number.

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, 22442 + ... + 113951.

It is an arithmetic number, because the mean of its divisors is an integer number (936208416).

Almost surely, 2^6240661715 is an apocalyptic number.

6240661715 is a deficient number, since it is larger than the sum of its proper divisors (1249005613).

6240661715 is a wasteful number, since it uses less digits than its factorization.

6240661715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145549.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 6240661715 is about 78997.8589266823. The cubic root of 6240661715 is about 1841.0978910742.

The spelling of 6240661715 in words is "six billion, two hundred forty million, six hundred sixty-one thousand, seven hundred fifteen".