7617440971 has 72 divisors (see below), whose sum is σ = 9940068576. Its totient is φ = 5794951680.

The previous prime is 7617440947. The next prime is 7617441017. The reversal of 7617440971 is 1790447167.

It is a de Polignac number, because none of the positive numbers 2^k-7617440971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7617440921) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 107287866 + ... + 107287936.

It is an arithmetic number, because the mean of its divisors is an integer number (138056508).

Almost surely, 2^7617440971 is an apocalyptic number.

7617440971 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

7617440971 is a deficient number, since it is larger than the sum of its proper divisors (2322627605).

7617440971 is a wasteful number, since it uses less digits than its factorization.

7617440971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 7617440971 is about 87277.9523763018. The cubic root of 7617440971 is about 1967.5979700283.

The spelling of 7617440971 in words is "seven billion, six hundred seventeen million, four hundred forty thousand, nine hundred seventy-one".