74499040 has 96 divisors (see below), whose sum is σ = 219469824. Its totient is φ = 23216640.

The previous prime is 74499037. The next prime is 74499041. The reversal of 74499040 is 4099447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74499041) 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 15 ways as a sum of consecutive naturals, for example, 9297 + ... + 15343.

It is an arithmetic number, because the mean of its divisors is an integer number (2286144).

Almost surely, 2^74499040 is an apocalyptic number.

74499040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74499040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109734912).

74499040 is an abundant number, since it is smaller than the sum of its proper divisors (144970784).

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

74499040 is a wasteful number, since it uses less digits than its factorization.

74499040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080 (or 6072 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 74499040 is about 8631.2826393300. The cubic root of 74499040 is about 420.7752875751.

The spelling of 74499040 in words is "seventy-four million, four hundred ninety-nine thousand, forty".