7641375690 has 64 divisors (see below), whose sum is σ = 20387146752. Its totient is φ = 1820275200.

The previous prime is 7641375689. The next prime is 7641375719. The reversal of 7641375690 is 965731467.

It is a happy number.

It is a super-2 number, since 2×7641375690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303931 + ... + 328110.

It is an arithmetic number, because the mean of its divisors is an integer number (318549168).

Almost surely, 2^7641375690 is an apocalyptic number.

7641375690 is an abundant number, since it is smaller than the sum of its proper divisors (12745771062).

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

7641375690 is a wasteful number, since it uses less digits than its factorization.

7641375690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632095.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 7641375690 is about 87414.9626208237. The cubic root of 7641375690 is about 1969.6566082735.

The spelling of 7641375690 in words is "seven billion, six hundred forty-one million, three hundred seventy-five thousand, six hundred ninety".