74040652 has 24 divisors (see below), whose sum is σ = 148458240. Its totient is φ = 31650960.

The previous prime is 74040649. The next prime is 74040653. The reversal of 74040652 is 25604047.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 74040652.

It is not an unprimeable number, because it can be changed into a prime (74040653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8577 + ... + 14887.

It is an arithmetic number, because the mean of its divisors is an integer number (6185760).

Almost surely, 2^74040652 is an apocalyptic number.

It is an amenable number.

74040652 is an abundant number, since it is smaller than the sum of its proper divisors (74417588).

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

74040652 is a wasteful number, since it uses less digits than its factorization.

74040652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741 (or 6739 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 74040652 is about 8604.6877921282. The cubic root of 74040652 is about 419.9105100341.

Adding to 74040652 its reverse (25604047), we get a palindrome (99644699).

The spelling of 74040652 in words is "seventy-four million, forty thousand, six hundred fifty-two".