77324049 has 12 divisors (see below), whose sum is σ = 121844112. Its totient is φ = 46863000.

The previous prime is 77324047. The next prime is 77324083. The reversal of 77324049 is 94042377.

It is not a de Polignac number, because 77324049 - 2¹ = 77324047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77324047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390427 + ... + 390624.

It is an arithmetic number, because the mean of its divisors is an integer number (10153676).

Almost surely, 2^77324049 is an apocalyptic number.

It is an amenable number.

77324049 is a deficient number, since it is larger than the sum of its proper divisors (44520063).

77324049 is a wasteful number, since it uses less digits than its factorization.

77324049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781068 (or 781065 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 77324049 is about 8793.4094070503. The cubic root of 77324049 is about 426.0280514491.

It can be divided in two parts, 7732 and 4049, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 77324049 in words is "seventy-seven million, three hundred twenty-four thousand, forty-nine".