74941440 has 352 divisors, whose sum is σ = 297126144. Its totient is φ = 15728640.

The previous prime is 74941439. The next prime is 74941441. The reversal of 74941440 is 4414947.

It is an interprime number because it is at equal distance from previous prime (74941439) and next prime (74941441).

It is not an unprimeable number, because it can be changed into a prime (74941441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1827820 + ... + 1827860.

Almost surely, 2^74941440 is an apocalyptic number.

74941440 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 74941440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148563072).

74941440 is an abundant number, since it is smaller than the sum of its proper divisors (222184704).

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

74941440 is a wasteful number, since it uses less digits than its factorization.

74941440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 74941440 is about 8656.8724144462. The cubic root of 74941440 is about 421.6065453678.

The spelling of 74941440 in words is "seventy-four million, nine hundred forty-one thousand, four hundred forty".