77572014 has 48 divisors (see below), whose sum is σ = 169733232. Its totient is φ = 23622144.

The previous prime is 77571979. The next prime is 77572021. The reversal of 77572014 is 41027577.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114244 + ... + 114920.

It is an arithmetic number, because the mean of its divisors is an integer number (3536109).

Almost surely, 2^77572014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77572014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84866616).

77572014 is an abundant number, since it is smaller than the sum of its proper divisors (92161218).

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

77572014 is a wasteful number, since it uses less digits than its factorization.

77572014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 77572014 is about 8807.4976014757. The cubic root of 77572014 is about 426.4829652166.

The spelling of 77572014 in words is "seventy-seven million, five hundred seventy-two thousand, fourteen".