402768743 has 12 divisors (see below), whose sum is σ = 461792448. Its totient is φ = 349914240.

The previous prime is 402768721. The next prime is 402768761. The reversal of 402768743 is 347867204.

It is not a de Polignac number, because 402768743 - 2¹⁴ = 402752359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402768743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402768703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67223 + ... + 72968.

It is an arithmetic number, because the mean of its divisors is an integer number (38482704).

Almost surely, 2^402768743 is an apocalyptic number.

402768743 is a deficient number, since it is larger than the sum of its proper divisors (59023705).

402768743 is a wasteful number, since it uses less digits than its factorization.

402768743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140234 (or 140221 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 402768743 is about 20069.0992074881. The cubic root of 402768743 is about 738.5024150414.

The spelling of 402768743 in words is "four hundred two million, seven hundred sixty-eight thousand, seven hundred forty-three".