742553 has 16 divisors (see below), whose sum is σ = 904704. Its totient is φ = 596160.

The previous prime is 742549. The next prime is 742559. The reversal of 742553 is 355247.

742553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 742553 - 2² = 742549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742559) 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, 12143 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (56544).

2⁷⁴²⁵⁵³ is an apocalyptic number.

It is an amenable number.

742553 is a deficient number, since it is larger than the sum of its proper divisors (162151).

742553 is a wasteful number, since it uses less digits than its factorization.

742553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

The product of its digits is 4200, while the sum is 26.

The square root of 742553 is about 861.7151501511. The cubic root of 742553 is about 90.5543155527.

The spelling of 742553 in words is "seven hundred forty-two thousand, five hundred fifty-three".