74401425560 has 192 divisors, whose sum is σ = 213038968320. Its totient is φ = 23124407040.

The previous prime is 74401425529. The next prime is 74401425589. The reversal of 74401425560 is 6552410447.

It is a happy number.

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, 7907819 + ... + 7917221.

It is an arithmetic number, because the mean of its divisors is an integer number (1109577960).

Almost surely, 2^74401425560 is an apocalyptic number.

74401425560 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 74401425560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106519484160).

74401425560 is an abundant number, since it is smaller than the sum of its proper divisors (138637542760).

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

74401425560 is a wasteful number, since it uses less digits than its factorization.

74401425560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9806 (or 9795 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 74401425560 in words is "seventy-four billion, four hundred one million, four hundred twenty-five thousand, five hundred sixty".