742148939 has 8 divisors (see below), whose sum is σ = 854273280. Its totient is φ = 631550376.

The previous prime is 742148933. The next prime is 742148951. The reversal of 742148939 is 939841247.

742148939 is digitally balanced in base 2, 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742148939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742148893 and 742148902.

It is not an unprimeable number, because it can be changed into a prime (742148933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380399 + ... + 382344.

It is an arithmetic number, because the mean of its divisors is an integer number (106784160).

Almost surely, 2^742148939 is an apocalyptic number.

742148939 is a deficient number, since it is larger than the sum of its proper divisors (112124341).

742148939 is a wasteful number, since it uses less digits than its factorization.

742148939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762889.

The product of its digits is 435456, while the sum is 47.

The square root of 742148939 is about 27242.4106679273. The cubic root of 742148939 is about 905.3788749703.

The spelling of 742148939 in words is "seven hundred forty-two million, one hundred forty-eight thousand, nine hundred thirty-nine".