770036740 has 48 divisors (see below), whose sum is σ = 1778724864. Its totient is φ = 280003680.

The previous prime is 770036737. The next prime is 770036747. The reversal of 770036740 is 47630077.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 770036696 and 770036705.

It is not an unprimeable number, because it can be changed into a prime (770036747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12157 + ... + 41083.

It is an arithmetic number, because the mean of its divisors is an integer number (37056768).

Almost surely, 2^770036740 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 770036740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889362432).

770036740 is an abundant number, since it is smaller than the sum of its proper divisors (1008688124).

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

770036740 is a wasteful number, since it uses less digits than its factorization.

770036740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28969 (or 28945 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 770036740 is about 27749.5358519742. The cubic root of 770036740 is about 916.5802229595.

The spelling of 770036740 in words is "seven hundred seventy million, thirty-six thousand, seven hundred forty".