74362140 has 72 divisors (see below), whose sum is σ = 227944080. Its totient is φ = 19620864.

The previous prime is 74362139. The next prime is 74362153. The reversal of 74362140 is 4126347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15331 + ... + 19589.

It is an arithmetic number, because the mean of its divisors is an integer number (3165890).

Almost surely, 2^74362140 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 74362140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113972040).

74362140 is an abundant number, since it is smaller than the sum of its proper divisors (153581940).

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

74362140 is a wasteful number, since it uses less digits than its factorization.

74362140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371 (or 4366 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 74362140 is about 8623.3485375462. The cubic root of 74362140 is about 420.5173895873.

Adding to 74362140 its reverse (4126347), we get a palindrome (78488487).

The spelling of 74362140 in words is "seventy-four million, three hundred sixty-two thousand, one hundred forty".