61792747 has 4 divisors (see below), whose sum is σ = 61818120. Its totient is φ = 61767376.

The previous prime is 61792723. The next prime is 61792751. The reversal of 61792747 is 74729716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61792747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61792777) 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 3 ways as a sum of consecutive naturals, for example, 8593 + ... + 14050.

It is an arithmetic number, because the mean of its divisors is an integer number (15454530).

Almost surely, 2^61792747 is an apocalyptic number.

61792747 is a deficient number, since it is larger than the sum of its proper divisors (25373).

61792747 is a wasteful number, since it uses less digits than its factorization.

61792747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25372.

The product of its digits is 148176, while the sum is 43.

The square root of 61792747 is about 7860.8362786665. The cubic root of 61792747 is about 395.3476552560.

The spelling of 61792747 in words is "sixty-one million, seven hundred ninety-two thousand, seven hundred forty-seven".