75297955 has 8 divisors (see below), whose sum is σ = 90574704. Its totient is φ = 60093600.

The previous prime is 75297953. The next prime is 75297979. The reversal of 75297955 is 55979257.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75297955 - 2¹ = 75297953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75297899 and 75297908.

It is not an unprimeable number, because it can be changed into a prime (75297953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15781 + ... + 19990.

It is an arithmetic number, because the mean of its divisors is an integer number (11321838).

Almost surely, 2^75297955 is an apocalyptic number.

75297955 is a deficient number, since it is larger than the sum of its proper divisors (15276749).

75297955 is a wasteful number, since it uses less digits than its factorization.

75297955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36197.

The product of its digits is 992250, while the sum is 49.

The square root of 75297955 is about 8677.4394264668. The cubic root of 75297955 is about 422.2740502578.

The spelling of 75297955 in words is "seventy-five million, two hundred ninety-seven thousand, nine hundred fifty-five".