742070422055 has 4 divisors (see below), whose sum is σ = 890484506472. Its totient is φ = 593656337640.

The previous prime is 742070421997. The next prime is 742070422073. The reversal of 742070422055 is 550224070247.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 742070422055 - 2¹⁸ = 742070159911 is a prime.

It is a super-2 number, since 2×742070422055² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74207042201 + ... + 74207042210.

It is an arithmetic number, because the mean of its divisors is an integer number (222621126618).

Almost surely, 2^742070422055 is an apocalyptic number.

742070422055 is a deficient number, since it is larger than the sum of its proper divisors (148414084417).

742070422055 is a wasteful number, since it uses less digits than its factorization.

742070422055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148414084416.

The product of its (nonzero) digits is 156800, while the sum is 38.

The spelling of 742070422055 in words is "seven hundred forty-two billion, seventy million, four hundred twenty-two thousand, fifty-five".