6977457 has 6 divisors (see below), whose sum is σ = 10078562. Its totient is φ = 4651632.

The previous prime is 6977431. The next prime is 6977461. The reversal of 6977457 is 7547796.

It can be written as a sum of positive squares in only one way, i.e., 6471936 + 505521 = 2544^2 + 711^2 .

It is not a de Polignac number, because 6977457 - 2⁶ = 6977393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6977407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387628 + ... + 387645.

Almost surely, 2^6977457 is an apocalyptic number.

It is an amenable number.

6977457 is a deficient number, since it is larger than the sum of its proper divisors (3101105).

6977457 is a wasteful number, since it uses less digits than its factorization.

6977457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775279 (or 775276 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 6977457 is about 2641.4876490342. The cubic root of 6977457 is about 191.0875488373.

The spelling of 6977457 in words is "six million, nine hundred seventy-seven thousand, four hundred fifty-seven".