61288626 has 16 divisors (see below), whose sum is σ = 140088384. Its totient is φ = 17511024.

The previous prime is 61288609. The next prime is 61288627. The reversal of 61288626 is 62688216.

61288626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61288627) 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, 729585 + ... + 729668.

It is an arithmetic number, because the mean of its divisors is an integer number (8755524).

Almost surely, 2^61288626 is an apocalyptic number.

61288626 is an abundant number, since it is smaller than the sum of its proper divisors (78799758).

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

61288626 is a wasteful number, since it uses less digits than its factorization.

61288626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459265.

The product of its digits is 55296, while the sum is 39.

The square root of 61288626 is about 7828.7052569374. The cubic root of 61288626 is about 394.2696025537.

The spelling of 61288626 in words is "sixty-one million, two hundred eighty-eight thousand, six hundred twenty-six".