742725763 has 6 divisors (see below), whose sum is σ = 804253524. Its totient is φ = 685592856.

The previous prime is 742725743. The next prime is 742725769. The reversal of 742725763 is 367527247.

It is not a de Polignac number, because 742725763 - 2²¹ = 740628611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742725769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2197245 + ... + 2197582.

It is an arithmetic number, because the mean of its divisors is an integer number (134042254).

Almost surely, 2^742725763 is an apocalyptic number.

742725763 is a deficient number, since it is larger than the sum of its proper divisors (61527761).

742725763 is a wasteful number, since it uses less digits than its factorization.

742725763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394853 (or 4394840 counting only the distinct ones).

The product of its digits is 493920, while the sum is 43.

The square root of 742725763 is about 27252.9954867350. The cubic root of 742725763 is about 905.6133782229.

The spelling of 742725763 in words is "seven hundred forty-two million, seven hundred twenty-five thousand, seven hundred sixty-three".