61270286 has 36 divisors (see below), whose sum is σ = 117535824. Its totient is φ = 23866920.

The previous prime is 61270249. The next prime is 61270289. The reversal of 61270286 is 68207216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61270289) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9275 + ... + 14441.

It is an arithmetic number, because the mean of its divisors is an integer number (3264884).

Almost surely, 2^61270286 is an apocalyptic number.

61270286 is a deficient number, since it is larger than the sum of its proper divisors (56265538).

61270286 is a wasteful number, since it uses less digits than its factorization.

61270286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 61270286 is about 7827.5338389559. The cubic root of 61270286 is about 394.2302715698.

The spelling of 61270286 in words is "sixty-one million, two hundred seventy thousand, two hundred eighty-six".