61704331 has 8 divisors (see below), whose sum is σ = 69340320. Its totient is φ = 54481152.

The previous prime is 61704317. The next prime is 61704341. The reversal of 61704331 is 13340716.

61704331 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 61704331 - 2⁵ = 61704299 is a prime.

It is a super-2 number, since 2×61704331² = 7614848928315122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61704296 and 61704305.

It is not an unprimeable number, because it can be changed into a prime (61704341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102886 + ... + 103483.

It is an arithmetic number, because the mean of its divisors is an integer number (8667540).

Almost surely, 2^61704331 is an apocalyptic number.

61704331 is a deficient number, since it is larger than the sum of its proper divisors (7635989).

61704331 is a wasteful number, since it uses less digits than its factorization.

61704331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206405.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 61704331 is about 7855.2104363919. The cubic root of 61704331 is about 395.1590045106.

It can be divided in two parts, 6170 and 4331, that added together give a palindrome (10501).

The spelling of 61704331 in words is "sixty-one million, seven hundred four thousand, three hundred thirty-one".