742698939 has 16 divisors (see below), whose sum is σ = 995510304. Its totient is φ = 492518400.

The previous prime is 742698919. The next prime is 742698947. The reversal of 742698939 is 939896247.

It is not a de Polignac number, because 742698939 - 2⁷ = 742698811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742698919) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 699469 + ... + 700529.

It is an arithmetic number, because the mean of its divisors is an integer number (62219394).

Almost surely, 2^742698939 is an apocalyptic number.

742698939 is a deficient number, since it is larger than the sum of its proper divisors (252811365).

742698939 is a wasteful number, since it uses less digits than its factorization.

742698939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078.

The product of its digits is 5878656, while the sum is 57.

The square root of 742698939 is about 27252.5033529032. The cubic root of 742698939 is about 905.6024758294.

The spelling of 742698939 in words is "seven hundred forty-two million, six hundred ninety-eight thousand, nine hundred thirty-nine".