61770875 has 8 divisors (see below), whose sum is σ = 77090208. Its totient is φ = 49416600.

The previous prime is 61770859. The next prime is 61770901. The reversal of 61770875 is 57807716.

It is not a de Polignac number, because 61770875 - 2⁴ = 61770859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246959 + ... + 247208.

It is an arithmetic number, because the mean of its divisors is an integer number (9636276).

Almost surely, 2^61770875 is an apocalyptic number.

61770875 is a deficient number, since it is larger than the sum of its proper divisors (15319333).

61770875 is an equidigital number, since it uses as much as digits as its factorization.

61770875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494182 (or 494172 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 61770875 is about 7859.4449549571. Note that the first 3 decimals coincide. The cubic root of 61770875 is about 395.3010043421.

The spelling of 61770875 in words is "sixty-one million, seven hundred seventy thousand, eight hundred seventy-five".