76453919 has 2 divisors, whose sum is σ = 76453920. Its totient is φ = 76453918.

The previous prime is 76453907. The next prime is 76453933. The reversal of 76453919 is 91935467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76453919 - 2¹² = 76449823 is a prime.

It is a super-2 number, since 2×76453919² = 11690403460917122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76453919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76453519) 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, 38226959 + 38226960.

It is an arithmetic number, because the mean of its divisors is an integer number (38226960).

Almost surely, 2^76453919 is an apocalyptic number.

76453919 is a deficient number, since it is larger than the sum of its proper divisors (1).

76453919 is an equidigital number, since it uses as much as digits as its factorization.

76453919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 44.

The square root of 76453919 is about 8743.7931700149. The cubic root of 76453919 is about 424.4239836729.

The spelling of 76453919 in words is "seventy-six million, four hundred fifty-three thousand, nine hundred nineteen".