747423949992 has 32 divisors (see below), whose sum is σ = 1869315607680. Its totient is φ = 249040552320.

The previous prime is 747423949967. The next prime is 747423949997. The reversal of 747423949992 is 299949324747.

It is a happy number.

It is a super-2 number, since 2×747423949992² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747423949997) 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 7 ways as a sum of consecutive naturals, for example, 6237184 + ... + 6355887.

It is an arithmetic number, because the mean of its divisors is an integer number (58416112740).

Almost surely, 2^747423949992 is an apocalyptic number.

It is an amenable number.

747423949992 is an abundant number, since it is smaller than the sum of its proper divisors (1121891657688).

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

747423949992 is a wasteful number, since it uses less digits than its factorization.

747423949992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595553 (or 12595549 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 69.

The spelling of 747423949992 in words is "seven hundred forty-seven billion, four hundred twenty-three million, nine hundred forty-nine thousand, nine hundred ninety-two".