764142449 has 16 divisors (see below), whose sum is σ = 879262848. Its totient is φ = 650529792.

The previous prime is 764142443. The next prime is 764142479. The reversal of 764142449 is 944241467.

It is a cyclic number.

It is not a de Polignac number, because 764142449 - 2⁴ = 764142433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764142443) 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, 1118462 + ... + 1119144.

It is an arithmetic number, because the mean of its divisors is an integer number (54953928).

Almost surely, 2^764142449 is an apocalyptic number.

It is an amenable number.

764142449 is a deficient number, since it is larger than the sum of its proper divisors (115120399).

764142449 is a wasteful number, since it uses less digits than its factorization.

764142449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its digits is 193536, while the sum is 41.

The square root of 764142449 is about 27643.1266140428. The cubic root of 764142449 is about 914.2355580826.

The spelling of 764142449 in words is "seven hundred sixty-four million, one hundred forty-two thousand, four hundred forty-nine".