74482740 has 120 divisors (see below), whose sum is σ = 243936000. Its totient is φ = 18988992.

The previous prime is 74482693. The next prime is 74482741. The reversal of 74482740 is 4728447.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 74482695 and 74482704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74482741) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36261 + ... + 38259.

It is an arithmetic number, because the mean of its divisors is an integer number (2032800).

Almost surely, 2^74482740 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 74482740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121968000).

74482740 is an abundant number, since it is smaller than the sum of its proper divisors (169453260).

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

74482740 is a wasteful number, since it uses less digits than its factorization.

74482740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 74482740 is about 8630.3383479444. The cubic root of 74482740 is about 420.7445975266.

The spelling of 74482740 in words is "seventy-four million, four hundred eighty-two thousand, seven hundred forty".