77352448 has 40 divisors (see below), whose sum is σ = 163663632. Its totient is φ = 36397056.

The previous prime is 77352437. The next prime is 77352449. The reversal of 77352448 is 84425377.

It is a self number, because there is not a number n which added to its sum of digits gives 77352448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77352449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4261 + ... + 13147.

Almost surely, 2^77352448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77352448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81831816).

77352448 is an abundant number, since it is smaller than the sum of its proper divisors (86311184).

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

77352448 is an equidigital number, since it uses as much as digits as its factorization.

77352448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922 (or 8906 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 77352448 is about 8795.0240477215. The cubic root of 77352448 is about 426.0802012003.

The spelling of 77352448 in words is "seventy-seven million, three hundred fifty-two thousand, four hundred forty-eight".