147709742 has 8 divisors (see below), whose sum is σ = 222407856. Its totient is φ = 73573792.

The previous prime is 147709739. The next prime is 147709759. The reversal of 147709742 is 247907741.

147709742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 147709742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139883 + ... + 140934.

It is an arithmetic number, because the mean of its divisors is an integer number (27800982).

Almost surely, 2^147709742 is an apocalyptic number.

147709742 is a deficient number, since it is larger than the sum of its proper divisors (74698114).

147709742 is a wasteful number, since it uses less digits than its factorization.

147709742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281082.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 147709742 is about 12153.5896754827. The cubic root of 147709742 is about 528.6112235022.

The spelling of 147709742 in words is "one hundred forty-seven million, seven hundred nine thousand, seven hundred forty-two".