61748735 has 8 divisors (see below), whose sum is σ = 74513520. Its totient is φ = 49122304.

The previous prime is 61748711. The next prime is 61748749. The reversal of 61748735 is 53784716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61748735 - 2¹⁰ = 61747711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61748692 and 61748701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33602 + ... + 35391.

It is an arithmetic number, because the mean of its divisors is an integer number (9314190).

Almost surely, 2^61748735 is an apocalyptic number.

61748735 is a deficient number, since it is larger than the sum of its proper divisors (12764785).

61748735 is a wasteful number, since it uses less digits than its factorization.

61748735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69177.

The product of its digits is 141120, while the sum is 41.

The square root of 61748735 is about 7858.0363323161. The cubic root of 61748735 is about 395.2537705928.

The spelling of 61748735 in words is "sixty-one million, seven hundred forty-eight thousand, seven hundred thirty-five".