76434419 has 2 divisors, whose sum is σ = 76434420. Its totient is φ = 76434418.

The previous prime is 76434409. The next prime is 76434433. The reversal of 76434419 is 91443467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76434419 - 2¹⁶ = 76368883 is a prime.

It is a super-2 number, since 2×76434419² = 11684440815735122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (76434409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38217209 + 38217210.

It is an arithmetic number, because the mean of its divisors is an integer number (38217210).

Almost surely, 2^76434419 is an apocalyptic number.

76434419 is a deficient number, since it is larger than the sum of its proper divisors (1).

76434419 is an equidigital number, since it uses as much as digits as its factorization.

76434419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 76434419 is about 8742.6780222081. The cubic root of 76434419 is about 424.3878967004.

The spelling of 76434419 in words is "seventy-six million, four hundred thirty-four thousand, four hundred nineteen".