766142073 has 12 divisors (see below), whose sum is σ = 1164894640. Its totient is φ = 483879096.

The previous prime is 766142053. The next prime is 766142087. The reversal of 766142073 is 370241667.

It is not a de Polignac number, because 766142073 - 2¹⁶ = 766076537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766142023) 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 11 ways as a sum of consecutive naturals, for example, 2240011 + ... + 2240352.

Almost surely, 2^766142073 is an apocalyptic number.

It is an amenable number.

766142073 is a deficient number, since it is larger than the sum of its proper divisors (398752567).

766142073 is a wasteful number, since it uses less digits than its factorization.

766142073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480388 (or 4480385 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 766142073 is about 27679.2715402700. The cubic root of 766142073 is about 915.0323270850.

It can be divided in two parts, 76614 and 2073, that added together give a palindrome (78687).

The spelling of 766142073 in words is "seven hundred sixty-six million, one hundred forty-two thousand, seventy-three".