61947088 has 20 divisors (see below), whose sum is σ = 137168800. Its totient is φ = 26548704.

The previous prime is 61947059. The next prime is 61947091. The reversal of 61947088 is 88074916.

61947088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 276438 + ... + 276661.

It is an arithmetic number, because the mean of its divisors is an integer number (6858440).

Almost surely, 2^61947088 is an apocalyptic number.

It is an amenable number.

61947088 is an abundant number, since it is smaller than the sum of its proper divisors (75221712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61947088 is a wasteful number, since it uses less digits than its factorization.

61947088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553114 (or 553108 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 61947088 is about 7870.6472414916. The cubic root of 61947088 is about 395.6765375468.

The spelling of 61947088 in words is "sixty-one million, nine hundred forty-seven thousand, eighty-eight".