77612352 has 112 divisors (see below), whose sum is σ = 217261440. Its totient is φ = 24414208.

The previous prime is 77612351. The next prime is 77612383. The reversal of 77612352 is 25321677.

Its product of digits (17640) is a multiple of the sum of its prime factors (360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77612351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294973 + ... + 295235.

Almost surely, 2^77612352 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 77612352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108630720).

77612352 is an abundant number, since it is smaller than the sum of its proper divisors (139649088).

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

77612352 is a wasteful number, since it uses less digits than its factorization.

77612352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 350 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 77612352 is about 8809.7872846057. The cubic root of 77612352 is about 426.5568771334.

The spelling of 77612352 in words is "seventy-seven million, six hundred twelve thousand, three hundred fifty-two".