61730948 has 18 divisors (see below), whose sum is σ = 111037626. Its totient is φ = 30028608.

The previous prime is 61730941. The next prime is 61730959. The reversal of 61730948 is 84903716.

61730948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 26708224 + 35022724 = 5168^2 + 5918^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (61730941) 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 5 ways as a sum of consecutive naturals, for example, 161 + ... + 11112.

It is an arithmetic number, because the mean of its divisors is an integer number (6168757).

Almost surely, 2^61730948 is an apocalyptic number.

It is an amenable number.

61730948 is a deficient number, since it is larger than the sum of its proper divisors (49306678).

61730948 is a wasteful number, since it uses less digits than its factorization.

61730948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11351 (or 11312 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 61730948 is about 7856.9044795008. The cubic root of 61730948 is about 395.2158154079.

The spelling of 61730948 in words is "sixty-one million, seven hundred thirty thousand, nine hundred forty-eight".