76133257 has 2 divisors, whose sum is σ = 76133258. Its totient is φ = 76133256.

The previous prime is 76133251. The next prime is 76133287. The reversal of 76133257 is 75233167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 24810361 = 7164^2 + 4981^2 .

It is an emirp because it is prime and its reverse (75233167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76133257 - 2³ = 76133249 is a prime.

It is not a weakly prime, because it can be changed into another prime (76133251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38066628 + 38066629.

It is an arithmetic number, because the mean of its divisors is an integer number (38066629).

Almost surely, 2^76133257 is an apocalyptic number.

It is an amenable number.

76133257 is a deficient number, since it is larger than the sum of its proper divisors (1).

76133257 is an equidigital number, since it uses as much as digits as its factorization.

76133257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 34.

The square root of 76133257 is about 8725.4373529354. The cubic root of 76133257 is about 423.8297810412.

The spelling of 76133257 in words is "seventy-six million, one hundred thirty-three thousand, two hundred fifty-seven".