74141540 has 36 divisors (see below), whose sum is σ = 171143868. Its totient is φ = 26959680.

The previous prime is 74141533. The next prime is 74141609. The reversal of 74141540 is 4514147.

It can be written as a sum of positive squares in 2 ways, for example, as 52388644 + 21752896 = 7238^2 + 4664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12899 + ... + 17738.

Almost surely, 2^74141540 is an apocalyptic number.

It is an amenable number.

74141540 is an abundant number, since it is smaller than the sum of its proper divisors (97002328).

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

74141540 is a wasteful number, since it uses less digits than its factorization.

74141540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30668 (or 30655 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 74141540 is about 8610.5481823168. The cubic root of 74141540 is about 420.1011472188.

Adding to 74141540 its reverse (4514147), we get a palindrome (78655687).

The spelling of 74141540 in words is "seventy-four million, one hundred forty-one thousand, five hundred forty".