61488776 has 32 divisors (see below), whose sum is σ = 117660000. Its totient is φ = 30119040.

The previous prime is 61488773. The next prime is 61488803. The reversal of 61488776 is 67788416.

61488776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61488776.

It is not an unprimeable number, because it can be changed into a prime (61488773) 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 7 ways as a sum of consecutive naturals, for example, 122975 + ... + 123473.

It is an arithmetic number, because the mean of its divisors is an integer number (3676875).

Almost surely, 2^61488776 is an apocalyptic number.

It is an amenable number.

61488776 is a deficient number, since it is larger than the sum of its proper divisors (56171224).

61488776 is a wasteful number, since it uses less digits than its factorization.

61488776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 785 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 61488776 is about 7841.4779219226. The cubic root of 61488776 is about 394.6983243770.

The spelling of 61488776 in words is "sixty-one million, four hundred eighty-eight thousand, seven hundred seventy-six".