75979253 has 6 divisors (see below), whose sum is σ = 88384086. Its totient is φ = 65125032.

The previous prime is 75979249. The next prime is 75979259. The reversal of 75979253 is 35297957.

It can be written as a sum of positive squares in only one way, i.e., 48121969 + 27857284 = 6937^2 + 5278^2 .

It is not a de Polignac number, because 75979253 - 2² = 75979249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75979198 and 75979207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75979259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 775250 + ... + 775347.

It is an arithmetic number, because the mean of its divisors is an integer number (14730681).

Almost surely, 2^75979253 is an apocalyptic number.

It is an amenable number.

75979253 is a deficient number, since it is larger than the sum of its proper divisors (12404833).

75979253 is a wasteful number, since it uses less digits than its factorization.

75979253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550611 (or 1550604 counting only the distinct ones).

The product of its digits is 595350, while the sum is 47.

The square root of 75979253 is about 8716.6078838043. The cubic root of 75979253 is about 423.5438107808.

The spelling of 75979253 in words is "seventy-five million, nine hundred seventy-nine thousand, two hundred fifty-three".