77336532 has 240 divisors, whose sum is σ = 258788992. Its totient is φ = 19595520.

The previous prime is 77336507. The next prime is 77336543. The reversal of 77336532 is 23563377.

It is a happy number.

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

Its product of digits (79380) is a multiple of the sum of its prime factors (140).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1267782 + ... + 1267842.

Almost surely, 2^77336532 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 77336532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129394496).

77336532 is an abundant number, since it is smaller than the sum of its proper divisors (181452460).

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

77336532 is a wasteful number, since it uses less digits than its factorization.

77336532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 129 counting only the distinct ones).

The product of its digits is 79380, while the sum is 36.

The square root of 77336532 is about 8794.1191713554. The cubic root of 77336532 is about 426.0509758479.

The spelling of 77336532 in words is "seventy-seven million, three hundred thirty-six thousand, five hundred thirty-two".