75299998 has 4 divisors (see below), whose sum is σ = 112950000. Its totient is φ = 37649998.

The previous prime is 75299993. The next prime is 75300013. The reversal of 75299998 is 89999257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89999257 = 19 ⋅4736803.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75299993) 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 as a sum of consecutive naturals, namely, 18824998 + ... + 18825001.

It is an arithmetic number, because the mean of its divisors is an integer number (28237500).

Almost surely, 2^75299998 is an apocalyptic number.

75299998 is a deficient number, since it is larger than the sum of its proper divisors (37650002).

75299998 is a wasteful number, since it uses less digits than its factorization.

75299998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37650001.

The product of its digits is 3674160, while the sum is 58.

The square root of 75299998 is about 8677.5571447268. The cubic root of 75299998 is about 422.2778692995.

The spelling of 75299998 in words is "seventy-five million, two hundred ninety-nine thousand, nine hundred ninety-eight".