42758642734 has 8 divisors (see below), whose sum is σ = 64726386120. Its totient is φ = 21183180696.

The previous prime is 42758642723. The next prime is 42758642737. The reversal of 42758642734 is 43724685724.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42758642737) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 98070064 + ... + 98070499.

It is an arithmetic number, because the mean of its divisors is an integer number (8090798265).

Almost surely, 2^42758642734 is an apocalyptic number.

42758642734 is a deficient number, since it is larger than the sum of its proper divisors (21967743386).

42758642734 is a wasteful number, since it uses less digits than its factorization.

42758642734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196140674.

The product of its digits is 9031680, while the sum is 52.

Subtracting 42758642734 from its reverse (43724685724), we obtain a triangular number (966042990 = T₄₃₉₅₅).

The spelling of 42758642734 in words is "forty-two billion, seven hundred fifty-eight million, six hundred forty-two thousand, seven hundred thirty-four".