764473242 has 32 divisors (see below), whose sum is σ = 1662877440. Its totient is φ = 232891200.

The previous prime is 764473231. The next prime is 764473247. The reversal of 764473242 is 242374467.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 764473242.

It is not an unprimeable number, because it can be changed into a prime (764473247) 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 15 ways as a sum of consecutive naturals, for example, 40642 + ... + 56397.

It is an arithmetic number, because the mean of its divisors is an integer number (51964920).

Almost surely, 2^764473242 is an apocalyptic number.

764473242 is an abundant number, since it is smaller than the sum of its proper divisors (898404198).

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

764473242 is a wasteful number, since it uses less digits than its factorization.

764473242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97158.

The product of its digits is 225792, while the sum is 39.

The square root of 764473242 is about 27649.1092442415. The cubic root of 764473242 is about 914.3674615407.

The spelling of 764473242 in words is "seven hundred sixty-four million, four hundred seventy-three thousand, two hundred forty-two".