61983607 has 8 divisors (see below), whose sum is σ = 71071616. Its totient is φ = 52953912.

The previous prime is 61983589. The next prime is 61983611. The reversal of 61983607 is 70638916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61983607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61983607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61983617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12273 + ... + 16570.

It is an arithmetic number, because the mean of its divisors is an integer number (8883952).

Almost surely, 2^61983607 is an apocalyptic number.

61983607 is a deficient number, since it is larger than the sum of its proper divisors (9088009).

61983607 is a wasteful number, since it uses less digits than its factorization.

61983607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29157.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 61983607 is about 7872.9668486537. The cubic root of 61983607 is about 395.7542752496.

The spelling of 61983607 in words is "sixty-one million, nine hundred eighty-three thousand, six hundred seven".