742477771008 has 144 divisors (see below), whose sum is σ = 2254979717760. Its totient is φ = 240803518464.

The previous prime is 742477771003. The next prime is 742477771033. The reversal of 742477771008 is 800177774247.

742477771008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (742477771003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195860 + ... + 1707347.

Almost surely, 2^742477771008 is an apocalyptic number.

It is an amenable number.

742477771008 is an abundant number, since it is smaller than the sum of its proper divisors (1512501946752).

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

742477771008 is a wasteful number, since it uses less digits than its factorization.

742477771008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903269 (or 2903249 counting only the distinct ones).

The product of its (nonzero) digits is 4302592, while the sum is 54.

The spelling of 742477771008 in words is "seven hundred forty-two billion, four hundred seventy-seven million, seven hundred seventy-one thousand, eight".