74870605 has 8 divisors (see below), whose sum is σ = 92943000. Its totient is φ = 57830976.

The previous prime is 74870603. The next prime is 74870617. The reversal of 74870605 is 50607847.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14699556 + 60171049 = 3834^2 + 7757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74870605 - 2¹ = 74870603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74870603) 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, 258030 + ... + 258319.

It is an arithmetic number, because the mean of its divisors is an integer number (11617875).

Almost surely, 2^74870605 is an apocalyptic number.

It is an amenable number.

74870605 is a deficient number, since it is larger than the sum of its proper divisors (18072395).

74870605 is a wasteful number, since it uses less digits than its factorization.

74870605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516383.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 74870605 is about 8652.7801890491. The cubic root of 74870605 is about 421.4736686668.

The spelling of 74870605 in words is "seventy-four million, eight hundred seventy thousand, six hundred five".