874739 has 2 divisors, whose sum is σ = 874740. Its totient is φ = 874738.

The previous prime is 874729. The next prime is 874763. The reversal of 874739 is 937478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 874739 - 2⁴ = 874723 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 874739.

It is not a weakly prime, because it can be changed into another prime (874729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437369 + 437370.

It is an arithmetic number, because the mean of its divisors is an integer number (437370).

2⁸⁷⁴⁷³⁹ is an apocalyptic number.

874739 is a deficient number, since it is larger than the sum of its proper divisors (1).

874739 is an equidigital number, since it uses as much as digits as its factorization.

874739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 874739 is about 935.2748259202. The cubic root of 874739 is about 95.6370481922.

It can be divided in two parts, 8 and 74739, that added together give a palindrome (74747).

The spelling of 874739 in words is "eight hundred seventy-four thousand, seven hundred thirty-nine".