77576045 has 8 divisors (see below), whose sum is σ = 93825024. Its totient is φ = 61571664.

The previous prime is 77576029. The next prime is 77576053. The reversal of 77576045 is 54067577.

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 77576045 - 2⁴ = 77576029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 77575993 and 77576011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60449 + ... + 61718.

It is an arithmetic number, because the mean of its divisors is an integer number (11728128).

Almost surely, 2^77576045 is an apocalyptic number.

It is an amenable number.

77576045 is a deficient number, since it is larger than the sum of its proper divisors (16248979).

77576045 is a wasteful number, since it uses less digits than its factorization.

77576045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122299.

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 77576045 is about 8807.7264376228. The cubic root of 77576045 is about 426.4903524300.

The spelling of 77576045 in words is "seventy-seven million, five hundred seventy-six thousand, forty-five".