61575606 has 16 divisors (see below), whose sum is σ = 136834800. Its totient is φ = 20525184.

The previous prime is 61575601. The next prime is 61575607. The reversal of 61575606 is 60657516.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61575601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570091 + ... + 570198.

It is an arithmetic number, because the mean of its divisors is an integer number (8552175).

Almost surely, 2^61575606 is an apocalyptic number.

61575606 is an abundant number, since it is smaller than the sum of its proper divisors (75259194).

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

61575606 is a wasteful number, since it uses less digits than its factorization.

61575606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140300 (or 1140294 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 61575606 is about 7847.0125525578. The cubic root of 61575606 is about 394.8840251308.

The spelling of 61575606 in words is "sixty-one million, five hundred seventy-five thousand, six hundred six".