76220253 has 6 divisors (see below), whose sum is σ = 110095934. Its totient is φ = 50813496.

The previous prime is 76220251. The next prime is 76220257. The reversal of 76220253 is 35202267.

It can be written as a sum of positive squares in only one way, i.e., 57790404 + 18429849 = 7602^2 + 4293^2 .

It is not a de Polignac number, because 76220253 - 2¹ = 76220251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76220251) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4234450 + ... + 4234467.

Almost surely, 2^76220253 is an apocalyptic number.

It is an amenable number.

76220253 is a deficient number, since it is larger than the sum of its proper divisors (33875681).

76220253 is a wasteful number, since it uses less digits than its factorization.

76220253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8468923 (or 8468920 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 76220253 is about 8730.4211238634. The cubic root of 76220253 is about 423.9911536216.

The spelling of 76220253 in words is "seventy-six million, two hundred twenty thousand, two hundred fifty-three".