61933916 has 24 divisors (see below), whose sum is σ = 118719216. Its totient is φ = 28037120.

The previous prime is 61933913. The next prime is 61933919.

61933916 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (61933913) and next prime (61933919).

It is a self number, because there is not a number n which added to its sum of digits gives 61933916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61933913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8570 + ... + 14046.

It is an arithmetic number, because the mean of its divisors is an integer number (4946634).

Almost surely, 2^61933916 is an apocalyptic number.

It is an amenable number.

61933916 is a deficient number, since it is larger than the sum of its proper divisors (56785300).

61933916 is a wasteful number, since it uses less digits than its factorization.

61933916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749 (or 5747 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 61933916 is about 7869.8104170304. The cubic root of 61933916 is about 395.6484909188.

The spelling of 61933916 in words is "sixty-one million, nine hundred thirty-three thousand, nine hundred sixteen".