7666464 has 48 divisors (see below), whose sum is σ = 21676032. Its totient is φ = 2358528.

The previous prime is 7666459. The next prime is 7666487. The reversal of 7666464 is 4646667.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (451584).

Almost surely, 2^7666464 is an apocalyptic number.

It is an amenable number.

7666464 is an abundant number, since it is smaller than the sum of its proper divisors (14009568).

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

7666464 is a wasteful number, since it uses less digits than its factorization.

7666464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169 (or 6161 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 7666464 is about 2768.8380234315. The cubic root of 7666464 is about 197.1809858139.

The spelling of 7666464 in words is "seven million, six hundred sixty-six thousand, four hundred sixty-four".