61973673 has 8 divisors (see below), whose sum is σ = 84647136. Its totient is φ = 40308000.

The previous prime is 61973671. The next prime is 61973677. The reversal of 61973673 is 37637916.

61973673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61973673 - 2¹ = 61973671 is a prime.

It is a super-2 number, since 2×61973673² = 7681472290221858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61973671) 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, 251803 + ... + 252048.

It is an arithmetic number, because the mean of its divisors is an integer number (10580892).

Almost surely, 2^61973673 is an apocalyptic number.

It is an amenable number.

61973673 is a deficient number, since it is larger than the sum of its proper divisors (22673463).

61973673 is a wasteful number, since it uses less digits than its factorization.

61973673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503895.

The product of its digits is 142884, while the sum is 42.

The square root of 61973673 is about 7872.3359303322. The cubic root of 61973673 is about 395.7331318473.

It can be divided in two parts, 6197 and 3673, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 61973673 in words is "sixty-one million, nine hundred seventy-three thousand, six hundred seventy-three".