1457707 has 4 divisors (see below), whose sum is σ = 1460160. Its totient is φ = 1455256.

The previous prime is 1457683. The next prime is 1457741. The reversal of 1457707 is 7077541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7077541 = 1399 ⋅5059.

It is a cyclic number.

It is not a de Polignac number, because 1457707 - 2¹⁵ = 1424939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457207) 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, 294 + ... + 1732.

It is an arithmetic number, because the mean of its divisors is an integer number (365040).

2^1457707 is an apocalyptic number.

1457707 is a deficient number, since it is larger than the sum of its proper divisors (2453).

1457707 is a wasteful number, since it uses less digits than its factorization.

1457707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 1457707 is about 1207.3553743617. The cubic root of 1457707 is about 113.3852981613.

The spelling of 1457707 in words is "one million, four hundred fifty-seven thousand, seven hundred seven".