74350440 has 128 divisors (see below), whose sum is σ = 253756800. Its totient is φ = 19353600.

The previous prime is 74350429. The next prime is 74350453. The reversal of 74350440 is 4405347.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45640 + ... + 47240.

It is an arithmetic number, because the mean of its divisors is an integer number (1982475).

Almost surely, 2^74350440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74350440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126878400).

74350440 is an abundant number, since it is smaller than the sum of its proper divisors (179406360).

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

74350440 is a wasteful number, since it uses less digits than its factorization.

74350440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 74350440 is about 8622.6701200962. The cubic root of 74350440 is about 420.4953339574.

Adding to 74350440 its reverse (4405347), we get a palindrome (78755787).

The spelling of 74350440 in words is "seventy-four million, three hundred fifty thousand, four hundred forty".