613742 has 4 divisors (see below), whose sum is σ = 920616. Its totient is φ = 306870.

The previous prime is 613741. The next prime is 613747. The reversal of 613742 is 247316.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153434 + ... + 153437.

It is an arithmetic number, because the mean of its divisors is an integer number (230154).

2⁶¹³⁷⁴² is an apocalyptic number.

613742 is a deficient number, since it is larger than the sum of its proper divisors (306874).

613742 is a wasteful number, since it uses less digits than its factorization.

613742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306873.

The product of its digits is 1008, while the sum is 23.

The square root of 613742 is about 783.4168749778. The cubic root of 613742 is about 84.9823261985.

The spelling of 613742 in words is "six hundred thirteen thousand, seven hundred forty-two".