7478233 has 6 divisors (see below), whose sum is σ = 8699226. Its totient is φ = 6409872.

The previous prime is 7478209. The next prime is 7478257. The reversal of 7478233 is 3328747.

It is an interprime number because it is at equal distance from previous prime (7478209) and next prime (7478257).

It can be written as a sum of positive squares in only one way, i.e., 7414729 + 63504 = 2723^2 + 252^2 .

It is not a de Polignac number, because 7478233 - 2¹⁷ = 7347161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7478203) 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 5 ways as a sum of consecutive naturals, for example, 76260 + ... + 76357.

It is an arithmetic number, because the mean of its divisors is an integer number (1449871).

Almost surely, 2^7478233 is an apocalyptic number.

It is an amenable number.

7478233 is a deficient number, since it is larger than the sum of its proper divisors (1220993).

7478233 is a wasteful number, since it uses less digits than its factorization.

7478233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152631 (or 152624 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 7478233 is about 2734.6358075620. The cubic root of 7478233 is about 195.5538320675.

The spelling of 7478233 in words is "seven million, four hundred seventy-eight thousand, two hundred thirty-three".