77132545 has 8 divisors (see below), whose sum is σ = 105781824. Its totient is φ = 52890864.

The previous prime is 77132537. The next prime is 77132579. The reversal of 77132545 is 54523177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77132545 - 2³ = 77132537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77132545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101859 + ... + 1101928.

It is an arithmetic number, because the mean of its divisors is an integer number (13222728).

Almost surely, 2^77132545 is an apocalyptic number.

It is an amenable number.

77132545 is a deficient number, since it is larger than the sum of its proper divisors (28649279).

77132545 is a wasteful number, since it uses less digits than its factorization.

77132545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203799.

The product of its digits is 29400, while the sum is 34.

The square root of 77132545 is about 8782.5135923607. The cubic root of 77132545 is about 425.6760543537.

It can be divided in two parts, 77132 and 545, that added together give a palindrome (77677).

The spelling of 77132545 in words is "seventy-seven million, one hundred thirty-two thousand, five hundred forty-five".