77244048 has 60 divisors (see below), whose sum is σ = 247061568. Its totient is φ = 22069440.

The previous prime is 77244047. The next prime is 77244053. The reversal of 77244048 is 84044277.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (77244043) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 37308 + ... + 39323.

Almost surely, 2^77244048 is an apocalyptic number.

It is an amenable number.

77244048 is an abundant number, since it is smaller than the sum of its proper divisors (169817520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77244048 is a wasteful number, since it uses less digits than its factorization.

77244048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76652 (or 76643 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 77244048 is about 8788.8593116513. The cubic root of 77244048 is about 425.8810750489.

The spelling of 77244048 in words is "seventy-seven million, two hundred forty-four thousand, forty-eight".