76421053 has 2 divisors, whose sum is σ = 76421054. Its totient is φ = 76421052.

The previous prime is 76421039. The next prime is 76421087. The reversal of 76421053 is 35012467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75116889 + 1304164 = 8667^2 + 1142^2 .

It is a cyclic number.

It is not a de Polignac number, because 76421053 - 2²¹ = 74323901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76421453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38210526 + 38210527.

It is an arithmetic number, because the mean of its divisors is an integer number (38210527).

Almost surely, 2^76421053 is an apocalyptic number.

It is an amenable number.

76421053 is a deficient number, since it is larger than the sum of its proper divisors (1).

76421053 is an equidigital number, since it uses as much as digits as its factorization.

76421053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 76421053 is about 8741.9135777014. The cubic root of 76421053 is about 424.3631578485.

The spelling of 76421053 in words is "seventy-six million, four hundred twenty-one thousand, fifty-three".