742074347 has 8 divisors (see below), whose sum is σ = 856828896. Its totient is φ = 629505792.

The previous prime is 742074343. The next prime is 742074397. The reversal of 742074347 is 743470247.

It is a happy number.

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 742074347 - 2² = 742074343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742074347.

It is not an unprimeable number, because it can be changed into a prime (742074341) 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, 545768 + ... + 547125.

It is an arithmetic number, because the mean of its divisors is an integer number (107103612).

Almost surely, 2^742074347 is an apocalyptic number.

742074347 is a deficient number, since it is larger than the sum of its proper divisors (114754549).

742074347 is a wasteful number, since it uses less digits than its factorization.

742074347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092997.

The product of its (nonzero) digits is 131712, while the sum is 38.

The square root of 742074347 is about 27241.0415916866. The cubic root of 742074347 is about 905.3485413089.

The spelling of 742074347 in words is "seven hundred forty-two million, seventy-four thousand, three hundred forty-seven".