76469561 has 4 divisors (see below), whose sum is σ = 87393792. Its totient is φ = 65545332.

The previous prime is 76469557. The next prime is 76469563. The reversal of 76469561 is 16596467.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76469561 - 2² = 76469557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76469563) 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, 5462105 + ... + 5462118.

It is an arithmetic number, because the mean of its divisors is an integer number (21848448).

Almost surely, 2^76469561 is an apocalyptic number.

It is an amenable number.

76469561 is a deficient number, since it is larger than the sum of its proper divisors (10924231).

76469561 is a wasteful number, since it uses less digits than its factorization.

76469561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10924230.

The product of its digits is 272160, while the sum is 44.

The square root of 76469561 is about 8744.6875873298. The cubic root of 76469561 is about 424.4529265417.

The spelling of 76469561 in words is "seventy-six million, four hundred sixty-nine thousand, five hundred sixty-one".