61972110 has 48 divisors (see below), whose sum is σ = 169612560. Its totient is φ = 15655680.

The previous prime is 61972093. The next prime is 61972147. The reversal of 61972110 is 1127916.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16411 + ... + 19830.

It is an arithmetic number, because the mean of its divisors is an integer number (3533595).

Almost surely, 2^61972110 is an apocalyptic number.

61972110 is an abundant number, since it is smaller than the sum of its proper divisors (107640450).

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

61972110 is a wasteful number, since it uses less digits than its factorization.

61972110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36273 (or 36270 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 61972110 is about 7872.2366580280. The cubic root of 61972110 is about 395.7298049718.

The spelling of 61972110 in words is "sixty-one million, nine hundred seventy-two thousand, one hundred ten".