75449982 has 16 divisors (see below), whose sum is σ = 157461120. Its totient is φ = 24056472.

The previous prime is 75449951. The next prime is 75449989. The reversal of 75449982 is 28994457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75449989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273232 + ... + 273507.

It is an arithmetic number, because the mean of its divisors is an integer number (9841320).

Almost surely, 2^75449982 is an apocalyptic number.

75449982 is an abundant number, since it is smaller than the sum of its proper divisors (82011138).

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

75449982 is a wasteful number, since it uses less digits than its factorization.

75449982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546767.

The product of its digits is 725760, while the sum is 48.

The square root of 75449982 is about 8686.1949091648. The cubic root of 75449982 is about 422.5580504483.

The spelling of 75449982 in words is "seventy-five million, four hundred forty-nine thousand, nine hundred eighty-two".