74709970 has 16 divisors (see below), whose sum is σ = 134913240. Its totient is φ = 29787264.

The previous prime is 74709967. The next prime is 74709977. The reversal of 74709970 is 7990747.

It can be written as a sum of positive squares in 4 ways, for example, as 46226401 + 28483569 = 6799^2 + 5337^2 .

It is not an unprimeable number, because it can be changed into a prime (74709977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8805 + ... + 15064.

Almost surely, 2^74709970 is an apocalyptic number.

74709970 is a deficient number, since it is larger than the sum of its proper divisors (60203270).

74709970 is a wasteful number, since it uses less digits than its factorization.

74709970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24189.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 74709970 is about 8643.4929282091. The cubic root of 74709970 is about 421.1720287026.

The spelling of 74709970 in words is "seventy-four million, seven hundred nine thousand, nine hundred seventy".