742055 has 4 divisors (see below), whose sum is σ = 890472. Its totient is φ = 593640.

The previous prime is 742037. The next prime is 742057. The reversal of 742055 is 550247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550247 = 421 ⋅1307.

It is not a de Polignac number, because 742055 - 2⁶ = 741991 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742057) 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 3 ways as a sum of consecutive naturals, for example, 74201 + ... + 74210.

It is an arithmetic number, because the mean of its divisors is an integer number (222618).

2⁷⁴²⁰⁵⁵ is an apocalyptic number.

742055 is a deficient number, since it is larger than the sum of its proper divisors (148417).

742055 is a wasteful number, since it uses less digits than its factorization.

742055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148416.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 742055 is about 861.4261430906. The cubic root of 742055 is about 90.5340673306.

The spelling of 742055 in words is "seven hundred forty-two thousand, fifty-five".