61772755002 has 32 divisors (see below), whose sum is σ = 141599472000. Its totient is φ = 17598783168.

The previous prime is 61772754997. The next prime is 61772755019. The reversal of 61772755002 is 20055727716.

61772755002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2092477 + ... + 2121792.

It is an arithmetic number, because the mean of its divisors is an integer number (4424983500).

Almost surely, 2^61772755002 is an apocalyptic number.

61772755002 is an abundant number, since it is smaller than the sum of its proper divisors (79826716998).

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

61772755002 is a wasteful number, since it uses less digits than its factorization.

61772755002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214630.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 61772755002 in words is "sixty-one billion, seven hundred seventy-two million, seven hundred fifty-five thousand, two".