61492688 has 20 divisors (see below), whose sum is σ = 119354340. Its totient is φ = 30691584.

The previous prime is 61492687. The next prime is 61492693. The reversal of 61492688 is 88629416.

It is a happy number.

61492688 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 2 ways, for example, as 13162384 + 48330304 = 3628^2 + 6952^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61492687) 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 3 ways as a sum of consecutive naturals, for example, 6758 + ... + 12986.

It is an arithmetic number, because the mean of its divisors is an integer number (5967717).

Almost surely, 2^61492688 is an apocalyptic number.

It is an amenable number.

61492688 is a deficient number, since it is larger than the sum of its proper divisors (57861652).

61492688 is a wasteful number, since it uses less digits than its factorization.

61492688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854 (or 6848 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 61492688 is about 7841.7273607286. The cubic root of 61492688 is about 394.7066946152.

The spelling of 61492688 in words is "sixty-one million, four hundred ninety-two thousand, six hundred eighty-eight".