76506469 has 6 divisors (see below), whose sum is σ = 82844466. Its totient is φ = 70621200.

The previous prime is 76506449. The next prime is 76506473. The reversal of 76506469 is 96460567.

It can be written as a sum of positive squares in 3 ways, for example, as 1476225 + 75030244 = 1215^2 + 8662^2 .

It is a de Polignac number, because none of the positive numbers 2^k-76506469 is a prime.

It is a super-2 number, since 2×76506469² = 11706479597695922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76506449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226182 + ... + 226519.

It is an arithmetic number, because the mean of its divisors is an integer number (13807411).

Almost surely, 2^76506469 is an apocalyptic number.

It is an amenable number.

76506469 is a deficient number, since it is larger than the sum of its proper divisors (6337997).

76506469 is a wasteful number, since it uses less digits than its factorization.

76506469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452727 (or 452714 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 76506469 is about 8746.7976425661. The cubic root of 76506469 is about 424.5212028978.

The spelling of 76506469 in words is "seventy-six million, five hundred six thousand, four hundred sixty-nine".