742838374 has 8 divisors (see below), whose sum is σ = 1117415160. Its totient is φ = 370366656.

The previous prime is 742838359. The next prime is 742838387. The reversal of 742838374 is 473838247.

It is a happy number.

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

It is a super-3 number, since 3×742838374³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525384 + ... + 526795.

It is an arithmetic number, because the mean of its divisors is an integer number (139676895).

Almost surely, 2^742838374 is an apocalyptic number.

742838374 is a deficient number, since it is larger than the sum of its proper divisors (374576786).

742838374 is a wasteful number, since it uses less digits than its factorization.

742838374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052534.

The product of its digits is 903168, while the sum is 46.

The square root of 742838374 is about 27255.0614381990. The cubic root of 742838374 is about 905.6591451711.

The spelling of 742838374 in words is "seven hundred forty-two million, eight hundred thirty-eight thousand, three hundred seventy-four".