61888328 has 32 divisors (see below), whose sum is σ = 118170360. Its totient is φ = 30382080.

The previous prime is 61888327. The next prime is 61888361. The reversal of 61888328 is 82388816.

It can be written as a sum of positive squares in 4 ways, for example, as 57486724 + 4401604 = 7582^2 + 2098^2 .

It is a Smith number, since the sum of its digits (44) 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 (61888327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134018 + ... + 134478.

Almost surely, 2^61888328 is an apocalyptic number.

It is an amenable number.

61888328 is a deficient number, since it is larger than the sum of its proper divisors (56282032).

61888328 is a wasteful number, since it uses less digits than its factorization.

61888328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 733 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 61888328 is about 7866.9134989524. The cubic root of 61888328 is about 395.5513914518.

The spelling of 61888328 in words is "sixty-one million, eight hundred eighty-eight thousand, three hundred twenty-eight".