761280421 has 8 divisors (see below), whose sum is σ = 859125600. Its totient is φ = 668208240.

The previous prime is 761280413. The next prime is 761280433. The reversal of 761280421 is 124082167.

761280421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 761280421 - 2³ = 761280413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761280521) 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, 1192911 + ... + 1193548.

It is an arithmetic number, because the mean of its divisors is an integer number (107390700).

Almost surely, 2^761280421 is an apocalyptic number.

It is an amenable number.

761280421 is a deficient number, since it is larger than the sum of its proper divisors (97845179).

761280421 is a wasteful number, since it uses less digits than its factorization.

761280421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386499.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 761280421 is about 27591.3106067834. The cubic root of 761280421 is about 913.0927339528.

It can be divided in two parts, 761 and 280421, that added together give a palindrome (281182).

The spelling of 761280421 in words is "seven hundred sixty-one million, two hundred eighty thousand, four hundred twenty-one".