61704023 has 2 divisors, whose sum is σ = 61704024. Its totient is φ = 61704022.

The previous prime is 61703987. The next prime is 61704073. The reversal of 61704023 is 32040716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61704023 - 2⁸ = 61703767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61704023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61704073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30852011 + 30852012.

It is an arithmetic number, because the mean of its divisors is an integer number (30852012).

Almost surely, 2^61704023 is an apocalyptic number.

61704023 is a deficient number, since it is larger than the sum of its proper divisors (1).

61704023 is an equidigital number, since it uses as much as digits as its factorization.

61704023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 61704023 is about 7855.1908315457. The cubic root of 61704023 is about 395.1583470247.

Adding to 61704023 its reverse (32040716), we get a palindrome (93744739).

The spelling of 61704023 in words is "sixty-one million, seven hundred four thousand, twenty-three".