7454664 has 72 divisors (see below), whose sum is σ = 23497110. Its totient is φ = 2128896.

The previous prime is 7454651. The next prime is 7454701. The reversal of 7454664 is 4664547.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 1764 = 2730^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2472 + ... + 4584.

Almost surely, 2^7454664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7454664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11748555).

7454664 is an abundant number, since it is smaller than the sum of its proper divisors (16042446).

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

7454664 is a wasteful number, since it uses less digits than its factorization.

7454664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139 (or 2125 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 7454664 is about 2730.3230578084. The cubic root of 7454664 is about 195.3481748040.

It can be divided in two parts, 7454 and 664, that added together give a palindrome (8118).

The spelling of 7454664 in words is "seven million, four hundred fifty-four thousand, six hundred sixty-four".