261437074 has 32 divisors (see below), whose sum is σ = 436584960. Its totient is φ = 116899200.

The previous prime is 261437069. The next prime is 261437107. The reversal of 261437074 is 470734162.

261437074 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 (34) 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 15 ways as a sum of consecutive naturals, for example, 45592 + ... + 51004.

It is an arithmetic number, because the mean of its divisors is an integer number (13643280).

Almost surely, 2^261437074 is an apocalyptic number.

261437074 is a deficient number, since it is larger than the sum of its proper divisors (175147886).

261437074 is a wasteful number, since it uses less digits than its factorization.

261437074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 261437074 is about 16169.0158636820. The cubic root of 261437074 is about 639.4241842354.

The spelling of 261437074 in words is "two hundred sixty-one million, four hundred thirty-seven thousand, seventy-four".