742382 has 4 divisors (see below), whose sum is σ = 1113576. Its totient is φ = 371190.

The previous prime is 742381. The next prime is 742393. The reversal of 742382 is 283247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 283247 = 31 ⋅9137.

It is a super-2 number, since 2×742382² = 1102262067848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185594 + ... + 185597.

It is an arithmetic number, because the mean of its divisors is an integer number (278394).

2⁷⁴²³⁸² is an apocalyptic number.

742382 is a deficient number, since it is larger than the sum of its proper divisors (371194).

742382 is a wasteful number, since it uses less digits than its factorization.

742382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371193.

The product of its digits is 2688, while the sum is 26.

The square root of 742382 is about 861.6159237154. The cubic root of 742382 is about 90.5473638708.

The spelling of 742382 in words is "seven hundred forty-two thousand, three hundred eighty-two".