77132441 has 4 divisors (see below), whose sum is σ = 77183232. Its totient is φ = 77081652.

The previous prime is 77132423. The next prime is 77132449. The reversal of 77132441 is 14423177.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14423177 = 587 ⋅24571.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77132441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77132449) 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 in 3 ways as a sum of consecutive naturals, for example, 23045 + ... + 26178.

It is an arithmetic number, because the mean of its divisors is an integer number (19295808).

Almost surely, 2^77132441 is an apocalyptic number.

It is an amenable number.

77132441 is a deficient number, since it is larger than the sum of its proper divisors (50791).

77132441 is a wasteful number, since it uses less digits than its factorization.

77132441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50790.

The product of its digits is 4704, while the sum is 29.

The square root of 77132441 is about 8782.5076715025. The cubic root of 77132441 is about 425.6758630366.

The spelling of 77132441 in words is "seventy-seven million, one hundred thirty-two thousand, four hundred forty-one".