77235472 has 40 divisors (see below), whose sum is σ = 159989760. Its totient is φ = 36030720.

The previous prime is 77235467. The next prime is 77235481. The reversal of 77235472 is 27453277.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12529 + ... + 17647.

It is an arithmetic number, because the mean of its divisors is an integer number (3999744).

Almost surely, 2^77235472 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 77235472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79994880).

77235472 is an abundant number, since it is smaller than the sum of its proper divisors (82754288).

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

77235472 is a wasteful number, since it uses less digits than its factorization.

77235472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191 (or 5185 counting only the distinct ones).

The product of its digits is 82320, while the sum is 37.

The square root of 77235472 is about 8788.3714077183. The cubic root of 77235472 is about 425.8653133544.

The spelling of 77235472 in words is "seventy-seven million, two hundred thirty-five thousand, four hundred seventy-two".