61293793 has 16 divisors (see below), whose sum is σ = 69647616. Its totient is φ = 53447040.

The previous prime is 61293787. The next prime is 61293797. The reversal of 61293793 is 39739216.

61293793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61293793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61293797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28680 + ... + 30742.

It is an arithmetic number, because the mean of its divisors is an integer number (4352976).

Almost surely, 2^61293793 is an apocalyptic number.

It is an amenable number.

61293793 is a deficient number, since it is larger than the sum of its proper divisors (8353823).

61293793 is a wasteful number, since it uses less digits than its factorization.

61293793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its digits is 61236, while the sum is 40.

The square root of 61293793 is about 7829.0352534651. The cubic root of 61293793 is about 394.2806820091.

The spelling of 61293793 in words is "sixty-one million, two hundred ninety-three thousand, seven hundred ninety-three".