7475457 has 16 divisors (see below), whose sum is σ = 10920960. Its totient is φ = 4510800.

The previous prime is 7475453. The next prime is 7475459. The reversal of 7475457 is 7545747.

It is not a de Polignac number, because 7475457 - 2² = 7475453 is a prime.

7475457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7475453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11532 + ... + 12162.

It is an arithmetic number, because the mean of its divisors is an integer number (682560).

Almost surely, 2^7475457 is an apocalyptic number.

It is an amenable number.

7475457 is a deficient number, since it is larger than the sum of its proper divisors (3445503).

7475457 is a wasteful number, since it uses less digits than its factorization.

7475457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its digits is 137200, while the sum is 39.

The square root of 7475457 is about 2734.1281974333. The cubic root of 7475457 is about 195.5296318487.

The spelling of 7475457 in words is "seven million, four hundred seventy-five thousand, four hundred fifty-seven".