763642073 has 8 divisors (see below), whose sum is σ = 778507848. Its totient is φ = 748793344.

The previous prime is 763642051. The next prime is 763642079. The reversal of 763642073 is 370246367.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 95316169 + 668325904 = 9763^2 + 25852^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 763642073 - 2¹⁴ = 763625689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (763642079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121865 + ... + 127977.

It is an arithmetic number, because the mean of its divisors is an integer number (97313481).

Almost surely, 2^763642073 is an apocalyptic number.

It is an amenable number.

763642073 is a deficient number, since it is larger than the sum of its proper divisors (14865775).

763642073 is a wasteful number, since it uses less digits than its factorization.

763642073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 763642073 is about 27634.0744914680. The cubic root of 763642073 is about 914.0359611705.

The spelling of 763642073 in words is "seven hundred sixty-three million, six hundred forty-two thousand, seventy-three".