742842133 has 8 divisors (see below), whose sum is σ = 810786240. Its totient is φ = 674966880.

The previous prime is 742842127. The next prime is 742842143. The reversal of 742842133 is 331248247.

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 742842133 - 2²⁵ = 709287701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742842103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6816 + ... + 39142.

It is an arithmetic number, because the mean of its divisors is an integer number (101348280).

Almost surely, 2^742842133 is an apocalyptic number.

It is an amenable number.

742842133 is a deficient number, since it is larger than the sum of its proper divisors (67944107).

742842133 is a wasteful number, since it uses less digits than its factorization.

742842133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34427.

The product of its digits is 32256, while the sum is 34.

The square root of 742842133 is about 27255.1303977802. The cubic root of 742842133 is about 905.6606728102.

The spelling of 742842133 in words is "seven hundred forty-two million, eight hundred forty-two thousand, one hundred thirty-three".