74193040 has 40 divisors (see below), whose sum is σ = 173024640. Its totient is φ = 29586816.

The previous prime is 74193037. The next prime is 74193047. The reversal of 74193040 is 4039147.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (74193047) 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, 29097 + ... + 31543.

It is an arithmetic number, because the mean of its divisors is an integer number (4325616).

Almost surely, 2^74193040 is an apocalyptic number.

It is an amenable number.

74193040 is an abundant number, since it is smaller than the sum of its proper divisors (98831600).

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

74193040 is a wasteful number, since it uses less digits than its factorization.

74193040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 74193040 is about 8613.5381812586. The cubic root of 74193040 is about 420.1983945542.

The spelling of 74193040 in words is "seventy-four million, one hundred ninety-three thousand, forty".