742622203453 has 8 divisors (see below), whose sum is σ = 804840920408. Its totient is φ = 681131191104.

The previous prime is 742622203417. The next prime is 742622203501. The reversal of 742622203453 is 354302226247.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16900520004 + 725721683449 = 130002^2 + 851893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 742622203453 - 2¹³ = 742622195261 is a prime.

It is a super-2 number, since 2×742622203453² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742622203753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181924026 + ... + 181928107.

It is an arithmetic number, because the mean of its divisors is an integer number (100605115051).

Almost surely, 2^742622203453 is an apocalyptic number.

It is an amenable number.

742622203453 is a deficient number, since it is larger than the sum of its proper divisors (62218716955).

742622203453 is a wasteful number, since it uses less digits than its factorization.

742622203453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363852303.

The product of its (nonzero) digits is 483840, while the sum is 40.

The spelling of 742622203453 in words is "seven hundred forty-two billion, six hundred twenty-two million, two hundred three thousand, four hundred fifty-three".