74490867 has 36 divisors (see below), whose sum is σ = 122109960. Its totient is φ = 44847000.

The previous prime is 74490839. The next prime is 74490869. The reversal of 74490867 is 76809447.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 74490867 - 2⁷ = 74490739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74490869) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 493242 + ... + 493392.

Almost surely, 2^74490867 is an apocalyptic number.

74490867 is a deficient number, since it is larger than the sum of its proper divisors (47619093).

74490867 is a wasteful number, since it uses less digits than its factorization.

74490867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 74490867 is about 8630.8091741157. The cubic root of 74490867 is about 420.7598998055.

Multiplying 74490867 by its product of nonzero digits (338688), we get a square (25229162762496 = 5022864²).

It can be divided in two parts, 74490 and 867, that added together give a palindrome (75357).

The spelling of 74490867 in words is "seventy-four million, four hundred ninety thousand, eight hundred sixty-seven".