742071 has 16 divisors (see below), whose sum is σ = 1094400. Its totient is φ = 443520.

The previous prime is 742069. The next prime is 742073. The reversal of 742071 is 170247.

It is an interprime number because it is at equal distance from previous prime (742069) and next prime (742073).

It is not a de Polignac number, because 742071 - 2¹ = 742069 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 3630 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2⁷⁴²⁰⁷¹ is an apocalyptic number.

742071 is a deficient number, since it is larger than the sum of its proper divisors (352329).

742071 is a wasteful number, since it uses less digits than its factorization.

742071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 742071 is about 861.4354299656. The cubic root of 742071 is about 90.5347180167.

It can be divided in two parts, 74 and 2071, that added together give a triangular number (2145 = T₆₅).

The spelling of 742071 in words is "seven hundred forty-two thousand, seventy-one", and thus it is an iban number.