742947285 has 8 divisors (see below), whose sum is σ = 1188715680. Its totient is φ = 396238544.

The previous prime is 742947281. The next prime is 742947299. The reversal of 742947285 is 582749247.

742947285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 742947285 - 2² = 742947281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742947281) 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, 24764895 + ... + 24764924.

It is an arithmetic number, because the mean of its divisors is an integer number (148589460).

Almost surely, 2^742947285 is an apocalyptic number.

It is an amenable number.

742947285 is a deficient number, since it is larger than the sum of its proper divisors (445768395).

742947285 is a wasteful number, since it uses less digits than its factorization.

742947285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49529827.

The product of its digits is 1128960, while the sum is 48.

The square root of 742947285 is about 27257.0593608335. The cubic root of 742947285 is about 905.7034039791.

The spelling of 742947285 in words is "seven hundred forty-two million, nine hundred forty-seven thousand, two hundred eighty-five".