7681007475 has 18 divisors (see below), whose sum is σ = 13757538236. Its totient is φ = 4096537200.

The previous prime is 7681007461. The next prime is 7681007539. The reversal of 7681007475 is 5747001867.

7681007475 is a `hidden beast` number, since 76 + 8 + 100 + 7 + 475 = 666.

It is not a de Polignac number, because 7681007475 - 2⁵ = 7681007443 is a prime.

It is a super-3 number, since 3×7681007475³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7681007475.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17068681 + ... + 17069130.

Almost surely, 2^7681007475 is an apocalyptic number.

7681007475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7681007475 is a deficient number, since it is larger than the sum of its proper divisors (6076530761).

7681007475 is a wasteful number, since it uses less digits than its factorization.

7681007475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34137827 (or 34137819 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 7681007475 is about 87641.3571038240. The cubic root of 7681007475 is about 1973.0559281578.

The spelling of 7681007475 in words is "seven billion, six hundred eighty-one million, seven thousand, four hundred seventy-five".