76569469 has 4 divisors (see below), whose sum is σ = 76966396. Its totient is φ = 76172544.

The previous prime is 76569463. The next prime is 76569491. The reversal of 76569469 is 96496567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96496567 = 8111 ⋅11897.

It can be written as a sum of positive squares in 2 ways, for example, as 35545444 + 41024025 = 5962^2 + 6405^2 .

It is a cyclic number.

It is not a de Polignac number, because 76569469 - 2⁷ = 76569341 is a prime.

It is a super-2 number, since 2×76569469² = 11725767165883922, 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 (76569463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198174 + ... + 198559.

It is an arithmetic number, because the mean of its divisors is an integer number (19241599).

Almost surely, 2^76569469 is an apocalyptic number.

It is an amenable number.

76569469 is a deficient number, since it is larger than the sum of its proper divisors (396927).

76569469 is a wasteful number, since it uses less digits than its factorization.

76569469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396926.

The product of its digits is 2449440, while the sum is 52.

The square root of 76569469 is about 8750.3982195098. The cubic root of 76569469 is about 424.6376963063.

The spelling of 76569469 in words is "seventy-six million, five hundred sixty-nine thousand, four hundred sixty-nine".