74031939072 has 240 divisors, whose sum is σ = 262969106400. Its totient is φ = 19524796416.

The previous prime is 74031939053. The next prime is 74031939073. The reversal of 74031939072 is 27093913047.

74031939072 is a `hidden beast` number, since 7 + 403 + 1 + 93 + 90 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74031939073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331054 + ... + 507602.

It is an arithmetic number, because the mean of its divisors is an integer number (1095704610).

Almost surely, 2^74031939072 is an apocalyptic number.

74031939072 is a gapful number since it is divisible by the number (72) 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 74031939072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131484553200).

74031939072 is an abundant number, since it is smaller than the sum of its proper divisors (188937167328).

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

74031939072 is a wasteful number, since it uses less digits than its factorization.

74031939072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176593 (or 176574 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The spelling of 74031939072 in words is "seventy-four billion, thirty-one million, nine hundred thirty-nine thousand, seventy-two".