61742568 has 16 divisors (see below), whose sum is σ = 154356480. Its totient is φ = 20580848.

The previous prime is 61742561. The next prime is 61742581. The reversal of 61742568 is 86524716.

It is not an unprimeable number, because it can be changed into a prime (61742561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286280 + ... + 1286327.

It is an arithmetic number, because the mean of its divisors is an integer number (9647280).

Almost surely, 2^61742568 is an apocalyptic number.

It is an amenable number.

61742568 is an abundant number, since it is smaller than the sum of its proper divisors (92613912).

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

61742568 is a wasteful number, since it uses less digits than its factorization.

61742568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572616 (or 2572612 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 61742568 is about 7857.6439216854. The cubic root of 61742568 is about 395.2406118285.

The spelling of 61742568 in words is "sixty-one million, seven hundred forty-two thousand, five hundred sixty-eight".