76507469 has 2 divisors, whose sum is σ = 76507470. Its totient is φ = 76507468.

The previous prime is 76507451. The next prime is 76507507. The reversal of 76507469 is 96470567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45292900 + 31214569 = 6730^2 + 5587^2 .

It is an emirp because it is prime and its reverse (96470567) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76507469 is a prime.

It is a super-2 number, since 2×76507469² = 11706785625571922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76507169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38253734 + 38253735.

It is an arithmetic number, because the mean of its divisors is an integer number (38253735).

Almost surely, 2^76507469 is an apocalyptic number.

It is an amenable number.

76507469 is a deficient number, since it is larger than the sum of its proper divisors (1).

76507469 is an equidigital number, since it uses as much as digits as its factorization.

76507469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 76507469 is about 8746.8548061575. The cubic root of 76507469 is about 424.5230524990.

The spelling of 76507469 in words is "seventy-six million, five hundred seven thousand, four hundred sixty-nine".