7648690 has 16 divisors (see below), whose sum is σ = 15734592. Its totient is φ = 2622384.

The previous prime is 7648687. The next prime is 7648703. The reversal of 7648690 is 968467.

It is a super-2 number, since 2×7648690² = 117004917432200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54564 + ... + 54703.

It is an arithmetic number, because the mean of its divisors is an integer number (983412).

Almost surely, 2^7648690 is an apocalyptic number.

7648690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7648690 is an abundant number, since it is smaller than the sum of its proper divisors (8085902).

7648690 is a wasteful number, since it uses less digits than its factorization.

7648690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109281.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 7648690 is about 2765.6265112990. The cubic root of 7648690 is about 197.0284858359.

It can be divided in two parts, 7648 and 690, that added together give a palindrome (8338).

The spelling of 7648690 in words is "seven million, six hundred forty-eight thousand, six hundred ninety".