75890997 has 48 divisors (see below), whose sum is σ = 142047360. Its totient is φ = 37915776.

The previous prime is 75890993. The next prime is 75891029. The reversal of 75890997 is 79909857.

It is not a de Polignac number, because 75890997 - 2² = 75890993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75890993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13123 + ... + 17999.

It is an arithmetic number, because the mean of its divisors is an integer number (2959320).

Almost surely, 2^75890997 is an apocalyptic number.

It is an amenable number.

75890997 is a deficient number, since it is larger than the sum of its proper divisors (66156363).

75890997 is a wasteful number, since it uses less digits than its factorization.

75890997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The square root of 75890997 is about 8711.5438930192. The cubic root of 75890997 is about 423.3797538669.

The spelling of 75890997 in words is "seventy-five million, eight hundred ninety thousand, nine hundred ninety-seven".