75981446 has 16 divisors (see below), whose sum is σ = 117270720. Its totient is φ = 36899520.

The previous prime is 75981419. The next prime is 75981457. The reversal of 75981446 is 64418957.

It is a junction number, because it is equal to n+sod(n) for n = 75981397 and 75981406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17660 + ... + 21536.

It is an arithmetic number, because the mean of its divisors is an integer number (7329420).

Almost surely, 2^75981446 is an apocalyptic number.

75981446 is a deficient number, since it is larger than the sum of its proper divisors (41289274).

75981446 is a wasteful number, since it uses less digits than its factorization.

75981446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159.

The product of its digits is 241920, while the sum is 44.

The square root of 75981446 is about 8716.7336772440. The cubic root of 75981446 is about 423.5478856767.

The spelling of 75981446 in words is "seventy-five million, nine hundred eighty-one thousand, four hundred forty-six".