7471664 has 20 divisors (see below), whose sum is σ = 14594304. Its totient is φ = 3705408.

The previous prime is 7471649. The next prime is 7471679. The reversal of 7471664 is 4661747.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7471649) and next prime (7471679).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194 + ... + 3870.

Almost surely, 2^7471664 is an apocalyptic number.

It is an amenable number.

7471664 is a deficient number, since it is larger than the sum of its proper divisors (7122640).

7471664 is a wasteful number, since it uses less digits than its factorization.

7471664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3806 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 7471664 is about 2733.4344696736. The cubic root of 7471664 is about 195.4965560843.

The spelling of 7471664 in words is "seven million, four hundred seventy-one thousand, six hundred sixty-four".