74987452 has 24 divisors (see below), whose sum is σ = 144144000. Its totient is φ = 33975216.

The previous prime is 74987449. The next prime is 74987453. The reversal of 74987452 is 25478947.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74987453) 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, 19702 + ... + 23197.

It is an arithmetic number, because the mean of its divisors is an integer number (6006000).

Almost surely, 2^74987452 is an apocalyptic number.

It is an amenable number.

74987452 is a deficient number, since it is larger than the sum of its proper divisors (69156548).

74987452 is a wasteful number, since it uses less digits than its factorization.

74987452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42945 (or 42943 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 74987452 is about 8659.5295484224. The cubic root of 74987452 is about 421.6928126878.

The spelling of 74987452 in words is "seventy-four million, nine hundred eighty-seven thousand, four hundred fifty-two".