742424171356 has 24 divisors (see below), whose sum is σ = 1489916100960. Its totient is φ = 317095839552.

The previous prime is 742424171347. The next prime is 742424171369. The reversal of 742424171356 is 653171424247.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45239491 + ... + 45255898.

It is an arithmetic number, because the mean of its divisors is an integer number (62079837540).

Almost surely, 2^742424171356 is an apocalyptic number.

It is an amenable number.

742424171356 is an abundant number, since it is smaller than the sum of its proper divisors (747491929604).

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

742424171356 is a wasteful number, since it uses less digits than its factorization.

742424171356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90495693 (or 90495691 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The spelling of 742424171356 in words is "seven hundred forty-two billion, four hundred twenty-four million, one hundred seventy-one thousand, three hundred fifty-six".