742785119 has 4 divisors (see below), whose sum is σ = 749727144. Its totient is φ = 735843096.

The previous prime is 742785083. The next prime is 742785137. The reversal of 742785119 is 911587247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742785119 - 2⁸ = 742784863 is a prime.

It is a super-2 number, since 2×742785119² = 1103459466015688322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742785119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742785419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3470852 + ... + 3471065.

It is an arithmetic number, because the mean of its divisors is an integer number (187431786).

Almost surely, 2^742785119 is an apocalyptic number.

742785119 is a deficient number, since it is larger than the sum of its proper divisors (6942025).

742785119 is a wasteful number, since it uses less digits than its factorization.

742785119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942024.

The product of its digits is 141120, while the sum is 44.

The square root of 742785119 is about 27254.0844461890. The cubic root of 742785119 is about 905.6375020465.

It can be divided in two parts, 74278 and 5119, that added together give a palindrome (79397).

The spelling of 742785119 in words is "seven hundred forty-two million, seven hundred eighty-five thousand, one hundred nineteen".