742311 has 16 divisors (see below), whose sum is σ = 1158400. Its totient is φ = 468504.

The previous prime is 742307. The next prime is 742327. The reversal of 742311 is 113247.

It is not a de Polignac number, because 742311 - 2² = 742307 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742351) 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, 211 + ... + 1236.

It is an arithmetic number, because the mean of its divisors is an integer number (72400).

2⁷⁴²³¹¹ is an apocalyptic number.

742311 is a deficient number, since it is larger than the sum of its proper divisors (416089).

742311 is a wasteful number, since it uses less digits than its factorization.

742311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1469 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 742311 is about 861.5747210776. The cubic root of 742311 is about 90.5444771863.

Adding to 742311 its reverse (113247), we get a palindrome (855558).

The spelling of 742311 in words is "seven hundred forty-two thousand, three hundred eleven", and thus it is an iban number.