74426040 has 384 divisors, whose sum is σ = 293529600. Its totient is φ = 16796160.

The previous prime is 74426003. The next prime is 74426069. The reversal of 74426040 is 4062447.

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

It is a junction number, because it is equal to n+sod(n) for n = 74425995 and 74426013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2400825 + ... + 2400855.

It is an arithmetic number, because the mean of its divisors is an integer number (764400).

Almost surely, 2^74426040 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 74426040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146764800).

74426040 is an abundant number, since it is smaller than the sum of its proper divisors (219103560).

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

74426040 is a wasteful number, since it uses less digits than its factorization.

74426040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 74426040 is about 8627.0527991893. The cubic root of 74426040 is about 420.6378064555.

Adding to 74426040 its reverse (4062447), we get a palindrome (78488487).

The spelling of 74426040 in words is "seventy-four million, four hundred twenty-six thousand, forty".