61701871 has 16 divisors (see below), whose sum is σ = 77656320. Its totient is φ = 47623680.

The previous prime is 61701869. The next prime is 61701881. The reversal of 61701871 is 17810716.

It is a cyclic number.

It is not a de Polignac number, because 61701871 - 2¹ = 61701869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61701881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4495 + ... + 11983.

It is an arithmetic number, because the mean of its divisors is an integer number (4853520).

Almost surely, 2^61701871 is an apocalyptic number.

61701871 is a deficient number, since it is larger than the sum of its proper divisors (15954449).

61701871 is a wasteful number, since it uses less digits than its factorization.

61701871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614.

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 61701871 is about 7855.0538508657. The cubic root of 61701871 is about 395.1537531014.

The spelling of 61701871 in words is "sixty-one million, seven hundred one thousand, eight hundred seventy-one".