74612045 has 4 divisors (see below), whose sum is σ = 89534460. Its totient is φ = 59689632.

The previous prime is 74612029. The next prime is 74612051. The reversal of 74612045 is 54021647.

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 53553124 + 21058921 = 7318^2 + 4589^2 .

It is a cyclic number.

It is not a de Polignac number, because 74612045 - 2⁴ = 74612029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74611999 and 74612017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7461200 + ... + 7461209.

It is an arithmetic number, because the mean of its divisors is an integer number (22383615).

Almost surely, 2^74612045 is an apocalyptic number.

It is an amenable number.

74612045 is a deficient number, since it is larger than the sum of its proper divisors (14922415).

74612045 is a wasteful number, since it uses less digits than its factorization.

74612045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14922414.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 74612045 is about 8637.8264048313. The cubic root of 74612045 is about 420.9879332211.

The spelling of 74612045 in words is "seventy-four million, six hundred twelve thousand, forty-five".