773742646 has 16 divisors (see below), whose sum is σ = 1168164000. Its totient is φ = 384360768.

The previous prime is 773742617. The next prime is 773742647. The reversal of 773742646 is 646247377.

It is a junction number, because it is equal to n+sod(n) for n = 773742596 and 773742605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773742647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440506 + ... + 442258.

It is an arithmetic number, because the mean of its divisors is an integer number (73010250).

Almost surely, 2^773742646 is an apocalyptic number.

773742646 is a deficient number, since it is larger than the sum of its proper divisors (394421354).

773742646 is a wasteful number, since it uses less digits than its factorization.

773742646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063.

The product of its digits is 1185408, while the sum is 46.

The square root of 773742646 is about 27816.2299027025. The cubic root of 773742646 is about 918.0482592110.

The spelling of 773742646 in words is "seven hundred seventy-three million, seven hundred forty-two thousand, six hundred forty-six".