7478264 has 16 divisors (see below), whose sum is σ = 14320800. Its totient is φ = 3659392.

The previous prime is 7478257. The next prime is 7478269. The reversal of 7478264 is 4628747.

It is a d-powerful number, because it can be written as 7⁵ + 4² + 7⁸ + 8³ + 2⁷ + 6⁸ + 4⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7478269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9569 + ... + 10320.

It is an arithmetic number, because the mean of its divisors is an integer number (895050).

Almost surely, 2^7478264 is an apocalyptic number.

It is an amenable number.

7478264 is a deficient number, since it is larger than the sum of its proper divisors (6842536).

7478264 is a wasteful number, since it uses less digits than its factorization.

7478264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19942 (or 19938 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 7478264 is about 2734.6414755869. The cubic root of 7478264 is about 195.5541022811.

The spelling of 7478264 in words is "seven million, four hundred seventy-eight thousand, two hundred sixty-four".