742273807800 has 192 divisors, whose sum is σ = 2639132870400. Its totient is φ = 169058534400.

The previous prime is 742273807799. The next prime is 742273807831. The reversal of 742273807800 is 8708372247.

It is a super-2 number, since 2×742273807800² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 742273807800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 865731 + ... + 1494669.

It is an arithmetic number, because the mean of its divisors is an integer number (13745483700).

Almost surely, 2^742273807800 is an apocalyptic number.

742273807800 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742273807800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319566435200).

742273807800 is an abundant number, since it is smaller than the sum of its proper divisors (1896859062600).

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

742273807800 is a wasteful number, since it uses less digits than its factorization.

742273807800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629246 (or 629237 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 742273807800 in words is "seven hundred forty-two billion, two hundred seventy-three million, eight hundred seven thousand, eight hundred".