74220995040 has 384 divisors, whose sum is σ = 250278336000. Its totient is φ = 18435465216.

The previous prime is 74220995033. The next prime is 74220995071. The reversal of 74220995040 is 4059902247.

It is a super-2 number, since 2×74220995040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74220994983 and 74220995001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195833571 + ... + 195833949.

It is an arithmetic number, because the mean of its divisors is an integer number (651766500).

Almost surely, 2^74220995040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74220995040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125139168000).

74220995040 is an abundant number, since it is smaller than the sum of its proper divisors (176057340960).

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

74220995040 is a wasteful number, since it uses less digits than its factorization.

74220995040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 74220995040 in words is "seventy-four billion, two hundred twenty million, nine hundred ninety-five thousand, forty".