76493447 has 2 divisors, whose sum is σ = 76493448. Its totient is φ = 76493446.

The previous prime is 76493419. The next prime is 76493491. The reversal of 76493447 is 74439467.

It is an a-pointer prime, because the next prime (76493491) can be obtained adding 76493447 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76493447 - 2²⁰ = 75444871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76493398 and 76493407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76492447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38246723 + 38246724.

It is an arithmetic number, because the mean of its divisors is an integer number (38246724).

Almost surely, 2^76493447 is an apocalyptic number.

76493447 is a deficient number, since it is larger than the sum of its proper divisors (1).

76493447 is an equidigital number, since it uses as much as digits as its factorization.

76493447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 44.

The square root of 76493447 is about 8746.0532241692. The cubic root of 76493447 is about 424.4971159204.

The spelling of 76493447 in words is "seventy-six million, four hundred ninety-three thousand, four hundred forty-seven".