74154130 has 16 divisors (see below), whose sum is σ = 135307224. Its totient is φ = 29255040.

The previous prime is 74154121. The next prime is 74154133. The reversal of 74154130 is 3145147.

It can be written as a sum of positive squares in 4 ways, for example, as 59706529 + 14447601 = 7727^2 + 3801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74154095 and 74154104.

It is not an unprimeable number, because it can be changed into a prime (74154133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50061 + ... + 51520.

Almost surely, 2^74154130 is an apocalyptic number.

74154130 is a deficient number, since it is larger than the sum of its proper divisors (61153094).

74154130 is a wasteful number, since it uses less digits than its factorization.

74154130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101661.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 74154130 is about 8611.2792313338. The cubic root of 74154130 is about 420.1249250456.

Adding to 74154130 its reverse (3145147), we get a palindrome (77299277).

The spelling of 74154130 in words is "seventy-four million, one hundred fifty-four thousand, one hundred thirty".