76381441 has 2 divisors, whose sum is σ = 76381442. Its totient is φ = 76381440.

The previous prime is 76381411. The next prime is 76381453. The reversal of 76381441 is 14418367.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 32821441 = 6600^2 + 5729^2 .

It is a cyclic number.

It is not a de Polignac number, because 76381441 - 2⁹ = 76380929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76381397 and 76381406.

It is not a weakly prime, because it can be changed into another prime (76381411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38190720 + 38190721.

It is an arithmetic number, because the mean of its divisors is an integer number (38190721).

Almost surely, 2^76381441 is an apocalyptic number.

It is an amenable number.

76381441 is a deficient number, since it is larger than the sum of its proper divisors (1).

76381441 is an equidigital number, since it uses as much as digits as its factorization.

76381441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 76381441 is about 8739.6476473597. The cubic root of 76381441 is about 424.2898238741.

The spelling of 76381441 in words is "seventy-six million, three hundred eighty-one thousand, four hundred forty-one".