74700 has 54 divisors (see below), whose sum is σ = 236964. Its totient is φ = 19680.

The previous prime is 74699. The next prime is 74707. The reversal of 74700 is 747.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (74707) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 859 + ... + 941.

2⁷⁴⁷⁰⁰ 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 74700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118482).

74700 is an abundant number, since it is smaller than the sum of its proper divisors (162264).

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

74700 is a wasteful number, since it uses less digits than its factorization.

74700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 74700 is about 273.3130073743. The cubic root of 74700 is about 42.1153292819.

Multiplying 74700 by its reverse (747), we get a square (55800900 = 7470²).

74700 divided by its reverse (747) gives a square (100 = 10²).

The spelling of 74700 in words is "seventy-four thousand, seven hundred", and thus it is an iban number.