74800538 has 4 divisors (see below), whose sum is σ = 112200810. Its totient is φ = 37400268.

The previous prime is 74800519. The next prime is 74800553. The reversal of 74800538 is 83500847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83500847 = 6361 ⋅13127.

It can be written as a sum of positive squares in only one way, i.e., 74770609 + 29929 = 8647^2 + 173^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74800498 and 74800507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18700133 + ... + 18700136.

Almost surely, 2^74800538 is an apocalyptic number.

74800538 is a deficient number, since it is larger than the sum of its proper divisors (37400272).

74800538 is a wasteful number, since it uses less digits than its factorization.

74800538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37400271.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 74800538 is about 8648.7304270627. The cubic root of 74800538 is about 421.3421501509.

The spelling of 74800538 in words is "seventy-four million, eight hundred thousand, five hundred thirty-eight".