7473457 has 4 divisors (see below), whose sum is σ = 7479540. Its totient is φ = 7467376.

The previous prime is 7473451. The next prime is 7473461. The reversal of 7473457 is 7543747.

7473457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2768896 + 4704561 = 1664^2 + 2169^2 .

It is a cyclic number.

It is not a de Polignac number, because 7473457 - 2¹⁵ = 7440689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7473451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478 + ... + 3895.

It is an arithmetic number, because the mean of its divisors is an integer number (1869885).

Almost surely, 2^7473457 is an apocalyptic number.

It is an amenable number.

7473457 is a deficient number, since it is larger than the sum of its proper divisors (6083).

7473457 is a wasteful number, since it uses less digits than its factorization.

7473457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082.

The product of its digits is 82320, while the sum is 37.

The square root of 7473457 is about 2733.7624256691. The cubic root of 7473457 is about 195.5121928193.

The spelling of 7473457 in words is "seven million, four hundred seventy-three thousand, four hundred fifty-seven".