61745248 has 48 divisors (see below), whose sum is σ = 129862656. Its totient is φ = 28828800.

The previous prime is 61745227. The next prime is 61745251. The reversal of 61745248 is 84254716.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30673 + ... + 32623.

It is an arithmetic number, because the mean of its divisors is an integer number (2705472).

Almost surely, 2^61745248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61745248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64931328).

61745248 is an abundant number, since it is smaller than the sum of its proper divisors (68117408).

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

61745248 is a wasteful number, since it uses less digits than its factorization.

61745248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2019 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 61745248 is about 7857.8144544142. The cubic root of 61745248 is about 395.2463303549.

The spelling of 61745248 in words is "sixty-one million, seven hundred forty-five thousand, two hundred forty-eight".