771942048 has 48 divisors (see below), whose sum is σ = 2035103616. Its totient is φ = 256202240.

The previous prime is 771942043. The next prime is 771942071. The reversal of 771942048 is 840249177.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (771942043) 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, 5113 + ... + 39623.

It is an arithmetic number, because the mean of its divisors is an integer number (42397992).

Almost surely, 2^771942048 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 771942048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017551808).

771942048 is an abundant number, since it is smaller than the sum of its proper divisors (1263161568).

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

771942048 is a wasteful number, since it uses less digits than its factorization.

771942048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34757 (or 34749 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 771942048 is about 27783.8450902678. The cubic root of 771942048 is about 917.3355675498.

The spelling of 771942048 in words is "seven hundred seventy-one million, nine hundred forty-two thousand, forty-eight".