742118 has 32 divisors (see below), whose sum is σ = 1342656. Its totient is φ = 304128.

The previous prime is 742117. The next prime is 742127. The reversal of 742118 is 811247.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 742093 and 742102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742111) 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 15 ways as a sum of consecutive naturals, for example, 10130 + ... + 10202.

It is an arithmetic number, because the mean of its divisors is an integer number (41958).

2⁷⁴²¹¹⁸ is an apocalyptic number.

742118 is a deficient number, since it is larger than the sum of its proper divisors (600538).

742118 is a wasteful number, since it uses less digits than its factorization.

742118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128.

The product of its digits is 448, while the sum is 23.

The square root of 742118 is about 861.4627095818. The cubic root of 742118 is about 90.5366293531.

The spelling of 742118 in words is "seven hundred forty-two thousand, one hundred eighteen".