75309874 has 16 divisors (see below), whose sum is σ = 116280000. Its totient is φ = 36554544.

The previous prime is 75309869. The next prime is 75309877. The reversal of 75309874 is 47890357.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75309874.

It is not an unprimeable number, because it can be changed into a prime (75309877) 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, 43477 + ... + 45175.

It is an arithmetic number, because the mean of its divisors is an integer number (7267500).

Almost surely, 2^75309874 is an apocalyptic number.

75309874 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

75309874 is a deficient number, since it is larger than the sum of its proper divisors (40970126).

75309874 is a wasteful number, since it uses less digits than its factorization.

75309874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 75309874 is about 8678.1261802304. The cubic root of 75309874 is about 422.2963298308.

The spelling of 75309874 in words is "seventy-five million, three hundred nine thousand, eight hundred seventy-four".