61968606 has 16 divisors (see below), whose sum is σ = 141642624. Its totient is φ = 17705304.

The previous prime is 61968593. The next prime is 61968629. The reversal of 61968606 is 60686916.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1475443 = 61968606 / (6 + 1 + 9 + 6 + 8 + 6 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737680 + ... + 737763.

It is an arithmetic number, because the mean of its divisors is an integer number (8852664).

Almost surely, 2^61968606 is an apocalyptic number.

61968606 is an abundant number, since it is smaller than the sum of its proper divisors (79674018).

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

61968606 is a wasteful number, since it uses less digits than its factorization.

61968606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475455.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 61968606 is about 7872.0141005971. The cubic root of 61968606 is about 395.7223464372.

The spelling of 61968606 in words is "sixty-one million, nine hundred sixty-eight thousand, six hundred six".