61972850 has 12 divisors (see below), whose sum is σ = 115269594. Its totient is φ = 24789120.

The previous prime is 61972849. The next prime is 61972873. The reversal of 61972850 is 5827916.

61972850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 51739249 + 10233601 = 7193^2 + 3199^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619679 + ... + 619778.

Almost surely, 2^61972850 is an apocalyptic number.

61972850 is a deficient number, since it is larger than the sum of its proper divisors (53296744).

61972850 is a wasteful number, since it uses less digits than its factorization.

61972850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239469 (or 1239464 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 61972850 is about 7872.2836585072. The cubic root of 61972850 is about 395.7313800830.

The spelling of 61972850 in words is "sixty-one million, nine hundred seventy-two thousand, eight hundred fifty".