74381542950 has 192 divisors, whose sum is σ = 228122899200. Its totient is φ = 15768691200.

The previous prime is 74381542919. The next prime is 74381542951. The reversal of 74381542950 is 5924518347.

It is a super-2 number, since 2×74381542950² (a number of 23 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 74381542950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74381542951) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 316296 + ... + 498804.

It is an arithmetic number, because the mean of its divisors is an integer number (1188140100).

Almost surely, 2^74381542950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74381542950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114061449600).

74381542950 is an abundant number, since it is smaller than the sum of its proper divisors (153741356250).

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

74381542950 is a wasteful number, since it uses less digits than its factorization.

74381542950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182567 (or 182562 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 74381542950 in words is "seventy-four billion, three hundred eighty-one million, five hundred forty-two thousand, nine hundred fifty".