773666430 has 64 divisors (see below), whose sum is σ = 1970749440. Its totient is φ = 193708544.

The previous prime is 773666419. The next prime is 773666431. The reversal of 773666430 is 34666377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773666431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242707 + ... + 245873.

It is an arithmetic number, because the mean of its divisors is an integer number (30792960).

Almost surely, 2^773666430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773666430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985374720).

773666430 is an abundant number, since it is smaller than the sum of its proper divisors (1197083010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

773666430 is a wasteful number, since it uses less digits than its factorization.

773666430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 381024, while the sum is 42.

The square root of 773666430 is about 27814.8598774109. The cubic root of 773666430 is about 918.0181147075.

The spelling of 773666430 in words is "seven hundred seventy-three million, six hundred sixty-six thousand, four hundred thirty".