742828342 has 8 divisors (see below), whose sum is σ = 1114659000. Its totient is φ = 371275344.

The previous prime is 742828291. The next prime is 742828409. The reversal of 742828342 is 243828247.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 742828295 and 742828304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62592 + ... + 73507.

It is an arithmetic number, because the mean of its divisors is an integer number (139332375).

Almost surely, 2^742828342 is an apocalyptic number.

742828342 is a deficient number, since it is larger than the sum of its proper divisors (371830658).

742828342 is a wasteful number, since it uses less digits than its factorization.

742828342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138830.

The product of its digits is 172032, while the sum is 40.

The square root of 742828342 is about 27254.8773983667. The cubic root of 742828342 is about 905.6550681902.

The spelling of 742828342 in words is "seven hundred forty-two million, eight hundred twenty-eight thousand, three hundred forty-two".