69949730 has 16 divisors (see below), whose sum is σ = 133316280. Its totient is φ = 26333952.

The previous prime is 69949729. The next prime is 69949741. The reversal of 69949730 is 3794996.

It can be written as a sum of positive squares in 4 ways, for example, as 41615401 + 28334329 = 6451^2 + 5323^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205565 + ... + 205904.

Almost surely, 2^69949730 is an apocalyptic number.

69949730 is a deficient number, since it is larger than the sum of its proper divisors (63366550).

69949730 is a wasteful number, since it uses less digits than its factorization.

69949730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411493.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 69949730 is about 8363.5955186750. The cubic root of 69949730 is about 412.0298506351.

The spelling of 69949730 in words is "sixty-nine million, nine hundred forty-nine thousand, seven hundred thirty".