75890625 has 28 divisors (see below), whose sum is σ = 126560880. Its totient is φ = 40450000.

The previous prime is 75890621. The next prime is 75890627. The reversal of 75890625 is 52609857.

It is not a de Polignac number, because 75890625 - 2² = 75890621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75890621) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 46066 + ... + 47684.

Almost surely, 2^75890625 is an apocalyptic number.

75890625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75890625 is a deficient number, since it is larger than the sum of its proper divisors (50670255).

75890625 is an frugal number, since it uses more digits than its factorization.

75890625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 75890625 is about 8711.5225420130. The cubic root of 75890625 is about 423.3790620961.

The spelling of 75890625 in words is "seventy-five million, eight hundred ninety thousand, six hundred twenty-five".