766041420 has 48 divisors (see below), whose sum is σ = 2271090528. Its totient is φ = 192261120.

The previous prime is 766041401. The next prime is 766041421. The reversal of 766041420 is 24140667.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (766041421) 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, 374491 + ... + 376530.

It is an arithmetic number, because the mean of its divisors is an integer number (47314386).

Almost surely, 2^766041420 is an apocalyptic number.

It is an amenable number.

766041420 is an abundant number, since it is smaller than the sum of its proper divisors (1505049108).

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

766041420 is a wasteful number, since it uses less digits than its factorization.

766041420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751050 (or 751048 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 766041420 is about 27677.4532787972. The cubic root of 766041420 is about 914.9922541074.

The spelling of 766041420 in words is "seven hundred sixty-six million, forty-one thousand, four hundred twenty".