764241340 has 24 divisors (see below), whose sum is σ = 1614191040. Its totient is φ = 303928128.

The previous prime is 764241281. The next prime is 764241349. The reversal of 764241340 is 43142467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764241349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106980 + ... + 113899.

It is an arithmetic number, because the mean of its divisors is an integer number (67257960).

Almost surely, 2^764241340 is an apocalyptic number.

It is an amenable number.

764241340 is an abundant number, since it is smaller than the sum of its proper divisors (849949700).

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

764241340 is a wasteful number, since it uses less digits than its factorization.

764241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221061 (or 221059 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 764241340 is about 27644.9152648367. The cubic root of 764241340 is about 914.2749947822.

The spelling of 764241340 in words is "seven hundred sixty-four million, two hundred forty-one thousand, three hundred forty".