770731416 has 256 divisors, whose sum is σ = 2665958400. Its totient is φ = 200890368.

The previous prime is 770731391. The next prime is 770731457. The reversal of 770731416 is 614137077.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2220955 + ... + 2221301.

It is an arithmetic number, because the mean of its divisors is an integer number (10413900).

Almost surely, 2^770731416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770731416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332979200).

770731416 is an abundant number, since it is smaller than the sum of its proper divisors (1895226984).

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

770731416 is a wasteful number, since it uses less digits than its factorization.

770731416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 770731416 is about 27762.0499243121. The cubic root of 770731416 is about 916.8557660495.

The spelling of 770731416 in words is "seven hundred seventy million, seven hundred thirty-one thousand, four hundred sixteen".