100347742 has 16 divisors (see below), whose sum is σ = 165834864. Its totient is φ = 45160000.

The previous prime is 100347739. The next prime is 100347769. The reversal of 100347742 is 247743001.

It is a self number, because there is not a number n which added to its sum of digits gives 100347742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20359 + ... + 24802.

It is an arithmetic number, because the mean of its divisors is an integer number (10364679).

Almost surely, 2^100347742 is an apocalyptic number.

100347742 is a deficient number, since it is larger than the sum of its proper divisors (65487122).

100347742 is a wasteful number, since it uses less digits than its factorization.

100347742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45275.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 100347742 is about 10017.3720106623. The cubic root of 100347742 is about 464.6962860449.

The spelling of 100347742 in words is "one hundred million, three hundred forty-seven thousand, seven hundred forty-two".