61735723 has 4 divisors (see below), whose sum is σ = 70555120. Its totient is φ = 52916328.

The previous prime is 61735717. The next prime is 61735727. The reversal of 61735723 is 32753716.

61735723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61735723 - 2⁵ = 61735691 is a prime.

It is a super-2 number, since 2×61735723² = 7622598988665458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61735727) 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 3 ways as a sum of consecutive naturals, for example, 4409688 + ... + 4409701.

It is an arithmetic number, because the mean of its divisors is an integer number (17638780).

Almost surely, 2^61735723 is an apocalyptic number.

61735723 is a deficient number, since it is larger than the sum of its proper divisors (8819397).

61735723 is an equidigital number, since it uses as much as digits as its factorization.

61735723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8819396.

The product of its digits is 26460, while the sum is 34.

The square root of 61735723 is about 7857.2083464803. The cubic root of 61735723 is about 395.2260053635.

The spelling of 61735723 in words is "sixty-one million, seven hundred thirty-five thousand, seven hundred twenty-three".