742182881 has 8 divisors (see below), whose sum is σ = 828483744. Its totient is φ = 659020320.

The previous prime is 742182869. The next prime is 742182887. The reversal of 742182881 is 188281247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742182881 is a prime.

It is a super-2 number, since 2×742182881² = 1101670857698920322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742182887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784076 + ... + 785021.

It is an arithmetic number, because the mean of its divisors is an integer number (103560468).

Almost surely, 2^742182881 is an apocalyptic number.

It is an amenable number.

742182881 is a deficient number, since it is larger than the sum of its proper divisors (86300863).

742182881 is a wasteful number, since it uses less digits than its factorization.

742182881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569151.

The product of its digits is 57344, while the sum is 41.

The square root of 742182881 is about 27243.0336232953. The cubic root of 742182881 is about 905.3926771869.

The spelling of 742182881 in words is "seven hundred forty-two million, one hundred eighty-two thousand, eight hundred eighty-one".