742271 has 8 divisors (see below), whose sum is σ = 803520. Its totient is φ = 683008.

The previous prime is 742253. The next prime is 742277. The reversal of 742271 is 172247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (100440).

2⁷⁴²²⁷¹ is an apocalyptic number.

742271 is a deficient number, since it is larger than the sum of its proper divisors (61249).

742271 is a wasteful number, since it uses less digits than its factorization.

742271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

The product of its digits is 784, while the sum is 23.

The square root of 742271 is about 861.5515074562. The cubic root of 742271 is about 90.5428508041.

The spelling of 742271 in words is "seven hundred forty-two thousand, two hundred seventy-one", and thus it is an iban number.