61740723 has 16 divisors (see below), whose sum is σ = 91279872. Its totient is φ = 36804000.

The previous prime is 61740713. The next prime is 61740737. The reversal of 61740723 is 32704716.

It is not a de Polignac number, because 61740723 - 2⁶ = 61740659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61740713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13323 + ... + 17348.

It is an arithmetic number, because the mean of its divisors is an integer number (5704992).

Almost surely, 2^61740723 is an apocalyptic number.

61740723 is a deficient number, since it is larger than the sum of its proper divisors (29539149).

61740723 is a wasteful number, since it uses less digits than its factorization.

61740723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30746.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 61740723 is about 7857.5265192044. The cubic root of 61740723 is about 395.2366749110.

The spelling of 61740723 in words is "sixty-one million, seven hundred forty thousand, seven hundred twenty-three".