61856748 has 36 divisors (see below), whose sum is σ = 160589520. Its totient is φ = 20061216.

The previous prime is 61856713. The next prime is 61856771. The reversal of 61856748 is 84765816.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21888 + ... + 24551.

It is an arithmetic number, because the mean of its divisors is an integer number (4460820).

Almost surely, 2^61856748 is an apocalyptic number.

It is an amenable number.

61856748 is an abundant number, since it is smaller than the sum of its proper divisors (98732772).

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

61856748 is a wasteful number, since it uses less digits than its factorization.

61856748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46486 (or 46481 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 61856748 is about 7864.9061024274. The cubic root of 61856748 is about 395.4841001512.

The spelling of 61856748 in words is "sixty-one million, eight hundred fifty-six thousand, seven hundred forty-eight".