764017742 has 8 divisors (see below), whose sum is σ = 1146368496. Its totient is φ = 381894912.

The previous prime is 764017711. The next prime is 764017777. The reversal of 764017742 is 247710467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×764017742² = 1167446220181557128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 764017696 and 764017705.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48338 + ... + 62165.

It is an arithmetic number, because the mean of its divisors is an integer number (143296062).

Almost surely, 2^764017742 is an apocalyptic number.

764017742 is a deficient number, since it is larger than the sum of its proper divisors (382350754).

764017742 is a wasteful number, since it uses less digits than its factorization.

764017742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113962.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 764017742 is about 27640.8708618234. The cubic root of 764017742 is about 914.1858213803.

The spelling of 764017742 in words is "seven hundred sixty-four million, seventeen thousand, seven hundred forty-two".