61065474 has 32 divisors (see below), whose sum is σ = 130429440. Its totient is φ = 19017600.

The previous prime is 61065463. The next prime is 61065517. The reversal of 61065474 is 47456016.

It is a super-2 number, since 2×61065474² = 7457984229689352, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (4075920).

Almost surely, 2^61065474 is an apocalyptic number.

61065474 is an abundant number, since it is smaller than the sum of its proper divisors (69363966).

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

61065474 is a wasteful number, since it uses less digits than its factorization.

61065474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11386.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 61065474 is about 7814.4400951060. The cubic root of 61065474 is about 393.7905085056.

The spelling of 61065474 in words is "sixty-one million, sixty-five thousand, four hundred seventy-four".