74807105 has 4 divisors (see below), whose sum is σ = 89768532. Its totient is φ = 59845680.

The previous prime is 74807101. The next prime is 74807113. The reversal of 74807105 is 50170847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34000561 + 40806544 = 5831^2 + 6388^2 .

It is not a de Polignac number, because 74807105 - 2² = 74807101 is a prime.

It is a super-2 number, since 2×74807105² = 11192205916962050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74807101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7480706 + ... + 7480715.

It is an arithmetic number, because the mean of its divisors is an integer number (22442133).

Almost surely, 2^74807105 is an apocalyptic number.

It is an amenable number.

74807105 is a deficient number, since it is larger than the sum of its proper divisors (14961427).

74807105 is a wasteful number, since it uses less digits than its factorization.

74807105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14961426.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 74807105 is about 8649.1100698280. The cubic root of 74807105 is about 421.3544801555.

The spelling of 74807105 in words is "seventy-four million, eight hundred seven thousand, one hundred five".