738721742 has 8 divisors (see below), whose sum is σ = 1208817432. Its totient is φ = 335782600.

The previous prime is 738721741. The next prime is 738721759. The reversal of 738721742 is 247127837.

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 738721742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738721741) 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, 16789109 + ... + 16789152.

It is an arithmetic number, because the mean of its divisors is an integer number (151102179).

Almost surely, 2^738721742 is an apocalyptic number.

738721742 is a deficient number, since it is larger than the sum of its proper divisors (470095690).

738721742 is a wasteful number, since it uses less digits than its factorization.

738721742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33578274.

The product of its digits is 131712, while the sum is 41.

The square root of 738721742 is about 27179.4360132803. The cubic root of 738721742 is about 903.9830633199.

The spelling of 738721742 in words is "seven hundred thirty-eight million, seven hundred twenty-one thousand, seven hundred forty-two".