61740055 has 16 divisors (see below), whose sum is σ = 81736704. Its totient is φ = 44478720.

The previous prime is 61740037. The next prime is 61740061. The reversal of 61740055 is 55004716.

61740055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61740055 - 2⁵ = 61740023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8919 + ... + 14248.

It is an arithmetic number, because the mean of its divisors is an integer number (5108544).

Almost surely, 2^61740055 is an apocalyptic number.

61740055 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61740055 is a deficient number, since it is larger than the sum of its proper divisors (19996649).

61740055 is a wasteful number, since it uses less digits than its factorization.

61740055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23226.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 61740055 is about 7857.4840120741. The cubic root of 61740055 is about 395.2352494928.

The spelling of 61740055 in words is "sixty-one million, seven hundred forty thousand, fifty-five".