457066538 has 4 divisors (see below), whose sum is σ = 685599810. Its totient is φ = 228533268.

The previous prime is 457066529. The next prime is 457066559. The reversal of 457066538 is 835660754.

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

It can be written as a sum of positive squares in only one way, i.e., 371448529 + 85618009 = 19273^2 + 9253^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114266633 + ... + 114266636.

Almost surely, 2^457066538 is an apocalyptic number.

457066538 is a deficient number, since it is larger than the sum of its proper divisors (228533272).

457066538 is a wasteful number, since it uses less digits than its factorization.

457066538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228533271.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 457066538 is about 21379.1145279686. The cubic root of 457066538 is about 770.2998427452.

The spelling of 457066538 in words is "four hundred fifty-seven million, sixty-six thousand, five hundred thirty-eight".