74931622274040 has 256 divisors, whose sum is σ = 257253770880000. Its totient is φ = 17104219545600.

The previous prime is 74931622274027. The next prime is 74931622274059. The reversal of 74931622274040 is 4047222613947.

It is a super-2 number, since 2×74931622274040² (a number of 29 digits) contains 22 as substring.

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, 2087272011 + ... + 2087307909.

It is an arithmetic number, because the mean of its divisors is an integer number (1004897542500).

Almost surely, 2^{74931622274040} is an apocalyptic number.

74931622274040 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 74931622274040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128626885440000).

74931622274040 is an abundant number, since it is smaller than the sum of its proper divisors (182322148605960).

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

74931622274040 is a wasteful number, since it uses less digits than its factorization.

74931622274040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39190 (or 39186 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 51.

Adding to 74931622274040 its reverse (4047222613947), we get a palindrome (78978844887987).

The spelling of 74931622274040 in words is "seventy-four trillion, nine hundred thirty-one billion, six hundred twenty-two million, two hundred seventy-four thousand, forty".