74009700 has 90 divisors (see below), whose sum is σ = 239936466. Its totient is φ = 19733760.

The previous prime is 74009651. The next prime is 74009707. The reversal of 74009700 is 790047.

It can be written as a sum of positive squares in 3 ways, for example, as 599076 + 73410624 = 774^2 + 8568^2 .

It is a tau number, because it is divible by the number of its divisors (90).

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

It is not an unprimeable number, because it can be changed into a prime (74009707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3532 + ... + 12668.

Almost surely, 2^74009700 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 74009700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119968233).

74009700 is an abundant number, since it is smaller than the sum of its proper divisors (165926766).

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

74009700 is a wasteful number, since it uses less digits than its factorization.

74009700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9163 (or 9147 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 74009700 is about 8602.8890496158. The cubic root of 74009700 is about 419.8519886621.

Adding to 74009700 its reverse (790047), we get a palindrome (74799747).

The spelling of 74009700 in words is "seventy-four million, nine thousand, seven hundred".