742085707 has 4 divisors (see below), whose sum is σ = 809548056. Its totient is φ = 674623360.

The previous prime is 742085693. The next prime is 742085711. The reversal of 742085707 is 707580247.

742085707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707580247 = 11 ⋅64325477.

It is a cyclic number.

It is not a de Polignac number, because 742085707 - 2²³ = 733697099 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 742085707.

It is not an unprimeable number, because it can be changed into a prime (742085107) 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, 33731158 + ... + 33731179.

It is an arithmetic number, because the mean of its divisors is an integer number (202387014).

Almost surely, 2^742085707 is an apocalyptic number.

742085707 is a deficient number, since it is larger than the sum of its proper divisors (67462349).

742085707 is a wasteful number, since it uses less digits than its factorization.

742085707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67462348.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 742085707 is about 27241.2500998027. The cubic root of 742085707 is about 905.3531611097.

The spelling of 742085707 in words is "seven hundred forty-two million, eighty-five thousand, seven hundred seven".