61272246 has 24 divisors (see below), whose sum is σ = 142552440. Its totient is φ = 17506272.

The previous prime is 61272241. The next prime is 61272247. The reversal of 61272246 is 64227216.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61272241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103911 + ... + 104498.

It is an arithmetic number, because the mean of its divisors is an integer number (5939685).

Almost surely, 2^61272246 is an apocalyptic number.

61272246 is an abundant number, since it is smaller than the sum of its proper divisors (81280194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61272246 is a wasteful number, since it uses less digits than its factorization.

61272246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208428 (or 208421 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 61272246 is about 7827.6590370302. The cubic root of 61272246 is about 394.2344752556.

The spelling of 61272246 in words is "sixty-one million, two hundred seventy-two thousand, two hundred forty-six".