74320092 has 168 divisors, whose sum is σ = 243852672. Its totient is φ = 19245600.

The previous prime is 74320091. The next prime is 74320093. The reversal of 74320092 is 29002347.

74320092 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (74320091) and next prime (74320093).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74320091) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 224367 + ... + 224697.

It is an arithmetic number, because the mean of its divisors is an integer number (1451504).

Almost surely, 2^74320092 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 74320092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121926336).

74320092 is an abundant number, since it is smaller than the sum of its proper divisors (169532580).

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

74320092 is a wasteful number, since it uses less digits than its factorization.

74320092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 74320092 is about 8620.9101607661. The cubic root of 74320092 is about 420.4381142599.

The spelling of 74320092 in words is "seventy-four million, three hundred twenty thousand, ninety-two".