61996772 has 24 divisors (see below), whose sum is σ = 115231200. Its totient is φ = 29102976.

The previous prime is 61996771. The next prime is 61996789. The reversal of 61996772 is 27769916.

It is not an unprimeable number, because it can be changed into a prime (61996771) 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, 4979 + ... + 12197.

It is an arithmetic number, because the mean of its divisors is an integer number (4801300).

Almost surely, 2^61996772 is an apocalyptic number.

It is an amenable number.

61996772 is a deficient number, since it is larger than the sum of its proper divisors (53234428).

61996772 is a wasteful number, since it uses less digits than its factorization.

61996772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355 (or 7353 counting only the distinct ones).

The product of its digits is 285768, while the sum is 47.

The square root of 61996772 is about 7873.8028931387. The cubic root of 61996772 is about 395.7822919918.

The spelling of 61996772 in words is "sixty-one million, nine hundred ninety-six thousand, seven hundred seventy-two".