742056330420 has 72 divisors (see below), whose sum is σ = 2252754418824. Its totient is φ = 197719031808.

The previous prime is 742056330419. The next prime is 742056330439. The reversal of 742056330420 is 24033650247.

742056330420 is a `hidden beast` number, since 7 + 4 + 20 + 563 + 30 + 42 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 111585393936 + 630470936484 = 334044^2 + 794022^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1474669 + ... + 1912788.

It is an arithmetic number, because the mean of its divisors is an integer number (31288255817).

Almost surely, 2^742056330420 is an apocalyptic number.

It is an amenable number.

742056330420 is an abundant number, since it is smaller than the sum of its proper divisors (1510698088404).

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

742056330420 is a wasteful number, since it uses less digits than its factorization.

742056330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388689 (or 3388684 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

Adding to 742056330420 its reverse (24033650247), we get a palindrome (766089980667).

The spelling of 742056330420 in words is "seven hundred forty-two billion, fifty-six million, three hundred thirty thousand, four hundred twenty".