770340438 has 48 divisors (see below), whose sum is σ = 1927205280. Its totient is φ = 217824768.

The previous prime is 770340437. The next prime is 770340463. The reversal of 770340438 is 834043077.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770340437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19293 + ... + 43736.

It is an arithmetic number, because the mean of its divisors is an integer number (40150110).

Almost surely, 2^770340438 is an apocalyptic number.

770340438 is an abundant number, since it is smaller than the sum of its proper divisors (1156864842).

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

770340438 is a wasteful number, since it uses less digits than its factorization.

770340438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63141 (or 63138 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 770340438 is about 27755.0074400999. The cubic root of 770340438 is about 916.7007050868.

The spelling of 770340438 in words is "seven hundred seventy million, three hundred forty thousand, four hundred thirty-eight".