74754140 has 48 divisors (see below), whose sum is σ = 165533760. Its totient is φ = 28300800.

The previous prime is 74754131. The next prime is 74754143. The reversal of 74754140 is 4145747.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 74754097 and 74754106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74754143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45656 + ... + 47264.

It is an arithmetic number, because the mean of its divisors is an integer number (3448620).

Almost surely, 2^74754140 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 74754140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82766880).

74754140 is an abundant number, since it is smaller than the sum of its proper divisors (90779620).

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

74754140 is a wasteful number, since it uses less digits than its factorization.

74754140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 74754140 is about 8646.0476519621. The cubic root of 74754140 is about 421.2550140727.

Adding to 74754140 its reverse (4145747), we get a palindrome (78899887).

The spelling of 74754140 in words is "seventy-four million, seven hundred fifty-four thousand, one hundred forty".