7687200690 has 96 divisors (see below), whose sum is σ = 22657078080. Its totient is φ = 1792637568.

The previous prime is 7687200637. The next prime is 7687200707. The reversal of 7687200690 is 960027867.

It is a happy number.

It is a super-2 number, since 2×7687200690² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150672 + ... + 195131.

It is an arithmetic number, because the mean of its divisors is an integer number (236011230).

Almost surely, 2^7687200690 is an apocalyptic number.

7687200690 is an abundant number, since it is smaller than the sum of its proper divisors (14969877390).

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

7687200690 is a wasteful number, since it uses less digits than its factorization.

7687200690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345848 (or 345845 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 7687200690 is about 87676.6827041261. The cubic root of 7687200690 is about 1973.5860789599.

The spelling of 7687200690 in words is "seven billion, six hundred eighty-seven million, two hundred thousand, six hundred ninety".