75115340 has 24 divisors (see below), whose sum is σ = 158103792. Its totient is φ = 29977280.

The previous prime is 75115331. The next prime is 75115351. The reversal of 75115340 is 4351157.

It is an unprimeable number.

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, 5147 + ... + 13293.

It is an arithmetic number, because the mean of its divisors is an integer number (6587658).

Almost surely, 2^75115340 is an apocalyptic number.

It is an amenable number.

75115340 is an abundant number, since it is smaller than the sum of its proper divisors (82988452).

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

75115340 is a wasteful number, since it uses less digits than its factorization.

75115340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8617 (or 8615 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 75115340 is about 8666.9106375917. The cubic root of 75115340 is about 421.9324030898.

Adding to 75115340 its reverse (4351157), we get a palindrome (79466497).

The spelling of 75115340 in words is "seventy-five million, one hundred fifteen thousand, three hundred forty".