74463040 has 56 divisors (see below), whose sum is σ = 181124352. Its totient is φ = 29145600.

The previous prime is 74463017. The next prime is 74463049. The reversal of 74463040 is 4036447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74463049) 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, 12565 + ... + 17515.

Almost surely, 2^74463040 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 74463040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90562176).

74463040 is an abundant number, since it is smaller than the sum of its proper divisors (106661312).

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

74463040 is a wasteful number, since it uses less digits than its factorization.

74463040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015 (or 5005 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 74463040 is about 8629.1969498905. The cubic root of 74463040 is about 420.7074998964.

Adding to 74463040 its reverse (4036447), we get a palindrome (78499487).

The spelling of 74463040 in words is "seventy-four million, four hundred sixty-three thousand, forty".