61967633 has 16 divisors (see below), whose sum is σ = 76599936. Its totient is φ = 48816000.

The previous prime is 61967623. The next prime is 61967639. The reversal of 61967633 is 33676916.

It is a cyclic number.

It is not a de Polignac number, because 61967633 - 2⁸ = 61967377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61967639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21485 + ... + 24197.

It is an arithmetic number, because the mean of its divisors is an integer number (4787496).

Almost surely, 2^61967633 is an apocalyptic number.

It is an amenable number.

61967633 is a deficient number, since it is larger than the sum of its proper divisors (14632303).

61967633 is a wasteful number, since it uses less digits than its factorization.

61967633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984.

The product of its digits is 122472, while the sum is 41.

The square root of 61967633 is about 7871.9522991441. The cubic root of 61967633 is about 395.7202752817.

The spelling of 61967633 in words is "sixty-one million, nine hundred sixty-seven thousand, six hundred thirty-three".