7434857 has 2 divisors, whose sum is σ = 7434858. Its totient is φ = 7434856.

The previous prime is 7434851. The next prime is 7434859. The reversal of 7434857 is 7584347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6330256 + 1104601 = 2516^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 7434857 - 2¹⁴ = 7418473 is a prime.

It is a super-2 number, since 2×7434857² = 110554197220898, which contains 22 as substring.

Together with 7434859, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7434857.

It is not a weakly prime, because it can be changed into another prime (7434851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3717428 + 3717429.

It is an arithmetic number, because the mean of its divisors is an integer number (3717429).

Almost surely, 2^7434857 is an apocalyptic number.

It is an amenable number.

7434857 is a deficient number, since it is larger than the sum of its proper divisors (1).

7434857 is an equidigital number, since it uses as much as digits as its factorization.

7434857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 38.

The square root of 7434857 is about 2726.6934187767. The cubic root of 7434857 is about 195.1750083481.

The spelling of 7434857 in words is "seven million, four hundred thirty-four thousand, eight hundred fifty-seven".