61973472 has 48 divisors (see below), whose sum is σ = 177472512. Its totient is φ = 18779520.

The previous prime is 61973453. The next prime is 61973473. The reversal of 61973472 is 27437916.

61973472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×61973472² = 7681422463469568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61973472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61973473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28288 + ... + 30399.

It is an arithmetic number, because the mean of its divisors is an integer number (3697344).

Almost surely, 2^61973472 is an apocalyptic number.

It is an amenable number.

61973472 is an abundant number, since it is smaller than the sum of its proper divisors (115499040).

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

61973472 is a wasteful number, since it uses less digits than its factorization.

61973472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58711 (or 58703 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 61973472 is about 7872.3231640984. The cubic root of 61973472 is about 395.7327040181.

It can be divided in two parts, 6197 and 3472, that added together give a palindrome (9669).

The spelling of 61973472 in words is "sixty-one million, nine hundred seventy-three thousand, four hundred seventy-two".