74754740 has 48 divisors (see below), whose sum is σ = 166656000. Its totient is φ = 28086912.

The previous prime is 74754739. The next prime is 74754791. The reversal of 74754740 is 4745747.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 74754694 and 74754703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47486 + ... + 49034.

It is an arithmetic number, because the mean of its divisors is an integer number (3472000).

Almost surely, 2^74754740 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 74754740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83328000).

74754740 is an abundant number, since it is smaller than the sum of its proper divisors (91901260).

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

74754740 is a wasteful number, since it uses less digits than its factorization.

74754740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 74754740 is about 8646.0823498276. The cubic root of 74754740 is about 421.2561411110.

The spelling of 74754740 in words is "seventy-four million, seven hundred fifty-four thousand, seven hundred forty".