61288408 has 16 divisors (see below), whose sum is σ = 116800560. Its totient is φ = 30141600.

The previous prime is 61288393. The next prime is 61288421. The reversal of 61288408 is 80488216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62308 + ... + 63283.

It is an arithmetic number, because the mean of its divisors is an integer number (7300035).

Almost surely, 2^61288408 is an apocalyptic number.

It is an amenable number.

61288408 is a deficient number, since it is larger than the sum of its proper divisors (55512152).

61288408 is a wasteful number, since it uses less digits than its factorization.

61288408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125658 (or 125654 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 61288408 is about 7828.6913338054. The cubic root of 61288408 is about 394.2691350887.

The spelling of 61288408 in words is "sixty-one million, two hundred eighty-eight thousand, four hundred eight".