761020321 has 8 divisors (see below), whose sum is σ = 779860224. Its totient is φ = 742232400.

The previous prime is 761020313. The next prime is 761020339. The reversal of 761020321 is 123020167.

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 761020321 - 2³ = 761020313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 761020292 and 761020301.

It is not an unprimeable number, because it can be changed into a prime (761020301) 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 7 ways as a sum of consecutive naturals, for example, 17520 + ... + 42766.

It is an arithmetic number, because the mean of its divisors is an integer number (97482528).

Almost surely, 2^761020321 is an apocalyptic number.

It is an amenable number.

761020321 is a deficient number, since it is larger than the sum of its proper divisors (18839903).

761020321 is a wasteful number, since it uses less digits than its factorization.

761020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25991.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 761020321 is about 27586.5967636459. The cubic root of 761020321 is about 912.9887326473.

Adding to 761020321 its reverse (123020167), we get a palindrome (884040488).

The spelling of 761020321 in words is "seven hundred sixty-one million, twenty thousand, three hundred twenty-one".