7666494 has 16 divisors (see below), whose sum is σ = 16727040. Its totient is φ = 2323160.

The previous prime is 7666493. The next prime is 7666501. The reversal of 7666494 is 4946667.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58014 + ... + 58145.

It is an arithmetic number, because the mean of its divisors is an integer number (1045440).

Almost surely, 2^7666494 is an apocalyptic number.

7666494 is an abundant number, since it is smaller than the sum of its proper divisors (9060546).

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

7666494 is a wasteful number, since it uses less digits than its factorization.

7666494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116175.

The product of its digits is 217728, while the sum is 42.

The square root of 7666494 is about 2768.8434408612. The cubic root of 7666494 is about 197.1812430130.

It can be divided in two parts, 766 and 6494, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 7666494 in words is "seven million, six hundred sixty-six thousand, four hundred ninety-four".