76434049 has 2 divisors, whose sum is σ = 76434050. Its totient is φ = 76434048.

The previous prime is 76434011. The next prime is 76434107. The reversal of 76434049 is 94043467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47886400 + 28547649 = 6920^2 + 5343^2 .

It is a cyclic number.

It is not a de Polignac number, because 76434049 - 2¹¹ = 76432001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76433999 and 76434017.

It is not a weakly prime, because it can be changed into another prime (76434649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38217024 + 38217025.

It is an arithmetic number, because the mean of its divisors is an integer number (38217025).

Almost surely, 2^76434049 is an apocalyptic number.

It is an amenable number.

76434049 is a deficient number, since it is larger than the sum of its proper divisors (1).

76434049 is an equidigital number, since it uses as much as digits as its factorization.

76434049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 76434049 is about 8742.6568616182. The cubic root of 76434049 is about 424.3872119139.

The spelling of 76434049 in words is "seventy-six million, four hundred thirty-four thousand, forty-nine".