5678739 has 24 divisors (see below), whose sum is σ = 9422400. Its totient is φ = 3259440.

The previous prime is 5678737. The next prime is 5678767. The reversal of 5678739 is 9378765.

It is a happy number.

5678739 is a `hidden beast` number, since 567 + 87 + 3 + 9 = 666.

It is not a de Polignac number, because 5678739 - 2¹ = 5678737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5678694 and 5678703.

It is not an unprimeable number, because it can be changed into a prime (5678737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372 + ... + 3390.

It is an arithmetic number, because the mean of its divisors is an integer number (392600).

Almost surely, 2^5678739 is an apocalyptic number.

5678739 is a deficient number, since it is larger than the sum of its proper divisors (3743661).

5678739 is a wasteful number, since it uses less digits than its factorization.

5678739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055 (or 3052 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 5678739 is about 2383.0104909547. The cubic root of 5678739 is about 178.4092234334.

The spelling of 5678739 in words is "five million, six hundred seventy-eight thousand, seven hundred thirty-nine".