1457317873 has 4 divisors (see below), whose sum is σ = 1589801328. Its totient is φ = 1324834420.

The previous prime is 1457317867. The next prime is 1457317903. The reversal of 1457317873 is 3787137541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3787137541 = 11 ⋅344285231.

It is a cyclic number.

It is not a de Polignac number, because 1457317873 - 2¹³ = 1457309681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457311873) 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, 66241711 + ... + 66241732.

It is an arithmetic number, because the mean of its divisors is an integer number (397450332).

Almost surely, 2^1457317873 is an apocalyptic number.

It is an amenable number.

1457317873 is a deficient number, since it is larger than the sum of its proper divisors (132483455).

1457317873 is a wasteful number, since it uses less digits than its factorization.

1457317873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132483454.

The product of its digits is 493920, while the sum is 46.

The square root of 1457317873 is about 38174.8329793334. The cubic root of 1457317873 is about 1133.7520806608.

The spelling of 1457317873 in words is "one billion, four hundred fifty-seven million, three hundred seventeen thousand, eight hundred seventy-three".