261430762 has 8 divisors (see below), whose sum is σ = 393424416. Its totient is φ = 130289292.

The previous prime is 261430759. The next prime is 261430769. The reversal of 261430762 is 267034162.

261430762 is digitally balanced in base 3, 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 not an unprimeable number, because it can be changed into a prime (261430769) 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 3 ways as a sum of consecutive naturals, for example, 212278 + ... + 213505.

It is an arithmetic number, because the mean of its divisors is an integer number (49178052).

Almost surely, 2^261430762 is an apocalyptic number.

261430762 is a deficient number, since it is larger than the sum of its proper divisors (131993654).

261430762 is a wasteful number, since it uses less digits than its factorization.

261430762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426092.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 261430762 is about 16168.8206743720. The cubic root of 261430762 is about 639.4190382196.

The spelling of 261430762 in words is "two hundred sixty-one million, four hundred thirty thousand, seven hundred sixty-two".