742720485744 has 120 divisors (see below), whose sum is σ = 2111547322560. Its totient is φ = 243667367424.

The previous prime is 742720485719. The next prime is 742720485781. The reversal of 742720485744 is 447584027247.

742720485744 is a `hidden beast` number, since 7 + 4 + 2 + 7 + 20 + 48 + 574 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3503214 + ... + 3709170.

It is an arithmetic number, because the mean of its divisors is an integer number (17596227688).

Almost surely, 2^742720485744 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 742720485744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055773661280).

742720485744 is an abundant number, since it is smaller than the sum of its proper divisors (1368826836816).

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

742720485744 is a wasteful number, since it uses less digits than its factorization.

742720485744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206367 (or 206358 counting only the distinct ones).

The product of its (nonzero) digits is 14049280, while the sum is 54.

The spelling of 742720485744 in words is "seven hundred forty-two billion, seven hundred twenty million, four hundred eighty-five thousand, seven hundred forty-four".