61728094 has 8 divisors (see below), whose sum is σ = 92674728. Its totient is φ = 30836520.

The previous prime is 61728089. The next prime is 61728097. The reversal of 61728094 is 49082716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61728097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10837 + ... + 15520.

It is an arithmetic number, because the mean of its divisors is an integer number (11584341).

Almost surely, 2^61728094 is an apocalyptic number.

61728094 is a deficient number, since it is larger than the sum of its proper divisors (30946634).

61728094 is a wasteful number, since it uses less digits than its factorization.

61728094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27530.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 61728094 is about 7856.7228537094. The cubic root of 61728094 is about 395.2097246579.

The spelling of 61728094 in words is "sixty-one million, seven hundred twenty-eight thousand, ninety-four".