74540800 has 108 divisors (see below), whose sum is σ = 194527480. Its totient is φ = 28200960.

The previous prime is 74540797. The next prime is 74540803. The reversal of 74540800 is 804547.

It is an interprime number because it is at equal distance from previous prime (74540797) and next prime (74540803).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74540803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121294 + ... + 121906.

Almost surely, 2^74540800 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 74540800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97263740).

74540800 is an abundant number, since it is smaller than the sum of its proper divisors (119986680).

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

74540800 is a wasteful number, since it uses less digits than its factorization.

74540800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 74540800 is about 8633.7014078552. The cubic root of 74540800 is about 420.8538939295.

The spelling of 74540800 in words is "seventy-four million, five hundred forty thousand, eight hundred".