742013 has 4 divisors (see below), whose sum is σ = 744000. Its totient is φ = 740028.

The previous prime is 742009. The next prime is 742031. The reversal of 742013 is 310247.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 742013 - 2² = 742009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 741982 and 742000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245 + ... + 1242.

It is an arithmetic number, because the mean of its divisors is an integer number (186000).

2⁷⁴²⁰¹³ is an apocalyptic number.

It is an amenable number.

742013 is a deficient number, since it is larger than the sum of its proper divisors (1987).

742013 is a wasteful number, since it uses less digits than its factorization.

742013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 742013 is about 861.4017645675. The cubic root of 742013 is about 90.5323592350.

The spelling of 742013 in words is "seven hundred forty-two thousand, thirteen".