674157 has 16 divisors (see below), whose sum is σ = 1013760. Its totient is φ = 394800.

The previous prime is 674131. The next prime is 674159. The reversal of 674157 is 751476.

It is a happy number.

674157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-674157 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694 + ... + 1352.

It is an arithmetic number, because the mean of its divisors is an integer number (63360).

2⁶⁷⁴¹⁵⁷ is an apocalyptic number.

It is an amenable number.

674157 is a deficient number, since it is larger than the sum of its proper divisors (339603).

674157 is a wasteful number, since it uses less digits than its factorization.

674157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its digits is 5880, while the sum is 30.

The square root of 674157 is about 821.0706425150. The cubic root of 674157 is about 87.6839992010.

It can be divided in two parts, 67 and 4157, that added together give a palindrome (4224).

The spelling of 674157 in words is "six hundred seventy-four thousand, one hundred fifty-seven".