7164457 has 4 divisors (see below), whose sum is σ = 7176276. Its totient is φ = 7152640.

The previous prime is 7164433. The next prime is 7164491. The reversal of 7164457 is 7544617.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6370576 + 793881 = 2524^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 7164457 - 2⁷ = 7164329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7164557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4948 + ... + 6229.

It is an arithmetic number, because the mean of its divisors is an integer number (1794069).

Almost surely, 2^7164457 is an apocalyptic number.

It is an amenable number.

7164457 is a deficient number, since it is larger than the sum of its proper divisors (11819).

7164457 is a wasteful number, since it uses less digits than its factorization.

7164457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818.

The product of its digits is 23520, while the sum is 34.

The square root of 7164457 is about 2676.6503320382. The cubic root of 7164457 is about 192.7796082868.

The spelling of 7164457 in words is "seven million, one hundred sixty-four thousand, four hundred fifty-seven".