742843742 has 16 divisors (see below), whose sum is σ = 1187453952. Its totient is φ = 347713080.

The previous prime is 742843723. The next prime is 742843799. The reversal of 742843742 is 247348247.

It is a self number, because there is not a number n which added to its sum of digits gives 742843742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169634 + ... + 173957.

It is an arithmetic number, because the mean of its divisors is an integer number (74215872).

Almost surely, 2^742843742 is an apocalyptic number.

742843742 is a deficient number, since it is larger than the sum of its proper divisors (444610210).

742843742 is a wasteful number, since it uses less digits than its factorization.

742843742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343663.

The product of its digits is 301056, while the sum is 41.

The square root of 742843742 is about 27255.1599151427. The cubic root of 742843742 is about 905.6613266984.

The spelling of 742843742 in words is "seven hundred forty-two million, eight hundred forty-three thousand, seven hundred forty-two".