742611 has 8 divisors (see below), whose sum is σ = 1048464. Its totient is φ = 465920.

The previous prime is 742607. The next prime is 742619. The reversal of 742611 is 116247.

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

It is a cyclic number.

It is not a de Polignac number, because 742611 - 2² = 742607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7230 + ... + 7331.

It is an arithmetic number, because the mean of its divisors is an integer number (131058).

2⁷⁴²⁶¹¹ is an apocalyptic number.

742611 is a deficient number, since it is larger than the sum of its proper divisors (305853).

742611 is a wasteful number, since it uses less digits than its factorization.

742611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14581.

The product of its digits is 336, while the sum is 21.

The square root of 742611 is about 861.7488033064. The cubic root of 742611 is about 90.5566731907.

Adding to 742611 its reverse (116247), we get a palindrome (858858).

The spelling of 742611 in words is "seven hundred forty-two thousand, six hundred eleven".