7649916975 has 36 divisors (see below), whose sum is σ = 13926496792. Its totient is φ = 4013064000.

The previous prime is 7649916941. The next prime is 7649917039. The reversal of 7649916975 is 5796199467.

7649916975 is a `hidden beast` number, since 76 + 499 + 1 + 6 + 9 + 75 = 666.

It is not a de Polignac number, because 7649916975 - 2⁸ = 7649916719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 264961 + ... + 292410.

Almost surely, 2^7649916975 is an apocalyptic number.

7649916975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7649916975 is a deficient number, since it is larger than the sum of its proper divisors (6276579817).

7649916975 is a wasteful number, since it uses less digits than its factorization.

7649916975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557448 (or 557440 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The square root of 7649916975 is about 87463.8037990574. The cubic root of 7649916975 is about 1970.3902080334.

The spelling of 7649916975 in words is "seven billion, six hundred forty-nine million, nine hundred sixteen thousand, nine hundred seventy-five".