7660642 has 16 divisors (see below), whose sum is σ = 13273632. Its totient is φ = 3277120.

The previous prime is 7660621. The next prime is 7660643. The reversal of 7660642 is 2460667.

It is not an unprimeable number, because it can be changed into a prime (7660643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9868 + ... + 10615.

It is an arithmetic number, because the mean of its divisors is an integer number (829602).

Almost surely, 2^7660642 is an apocalyptic number.

7660642 is a deficient number, since it is larger than the sum of its proper divisors (5612990).

7660642 is a wasteful number, since it uses less digits than its factorization.

7660642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20513.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7660642 is about 2767.7864802040. The cubic root of 7660642 is about 197.1310593454.

The spelling of 7660642 in words is "seven million, six hundred sixty thousand, six hundred forty-two".