7413857 has 12 divisors (see below), whose sum is σ = 8540496. Its totient is φ = 6381720.

The previous prime is 7413851. The next prime is 7413859. The reversal of 7413857 is 7583147.

It is not a de Polignac number, because 7413857 - 2¹⁴ = 7397473 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (7413851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3038 + ... + 4904.

It is an arithmetic number, because the mean of its divisors is an integer number (711708).

Almost surely, 2^7413857 is an apocalyptic number.

It is an amenable number.

7413857 is a deficient number, since it is larger than the sum of its proper divisors (1126639).

7413857 is a wasteful number, since it uses less digits than its factorization.

7413857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1897 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 7413857 is about 2722.8398777747. The cubic root of 7413857 is about 194.9910756380.

It can be divided in two parts, 74 and 13857, that added together give a palindrome (13931).

The spelling of 7413857 in words is "seven million, four hundred thirteen thousand, eight hundred fifty-seven".