261742794 has 16 divisors (see below), whose sum is σ = 524998368. Its totient is φ = 86995472.

The previous prime is 261742781. The next prime is 261742801. The reversal of 261742794 is 497247162.

261742794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60777 + ... + 64940.

It is an arithmetic number, because the mean of its divisors is an integer number (32812398).

Almost surely, 2^261742794 is an apocalyptic number.

261742794 is an abundant number, since it is smaller than the sum of its proper divisors (263255574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261742794 is a wasteful number, since it uses less digits than its factorization.

261742794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126069.

The product of its digits is 169344, while the sum is 42.

The square root of 261742794 is about 16178.4669854718. The cubic root of 261742794 is about 639.6733310112.

The spelling of 261742794 in words is "two hundred sixty-one million, seven hundred forty-two thousand, seven hundred ninety-four".