742393907022 has 8 divisors (see below), whose sum is σ = 1484787814056. Its totient is φ = 247464635672.

The previous prime is 742393906987. The next prime is 742393907027. The reversal of 742393907022 is 220709393247.

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

742393907022 is an admirable number.

It is a super-2 number, since 2×742393907022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742393907027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61866158913 + ... + 61866158924.

It is an arithmetic number, because the mean of its divisors is an integer number (185598476757).

Almost surely, 2^742393907022 is an apocalyptic number.

742393907022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

742393907022 is a wasteful number, since it uses less digits than its factorization.

742393907022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123732317842.

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 742393907022 in words is "seven hundred forty-two billion, three hundred ninety-three million, nine hundred seven thousand, twenty-two".