69745450 has 12 divisors (see below), whose sum is σ = 129726630. Its totient is φ = 27898160.

The previous prime is 69745433. The next prime is 69745457. The reversal of 69745450 is 5454796.

It can be written as a sum of positive squares in 3 ways, for example, as 66601921 + 3143529 = 8161^2 + 1773^2 .

It is not an unprimeable number, because it can be changed into a prime (69745457) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 697405 + ... + 697504.

Almost surely, 2^69745450 is an apocalyptic number.

69745450 is a deficient number, since it is larger than the sum of its proper divisors (59981180).

69745450 is a wasteful number, since it uses less digits than its factorization.

69745450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394921 (or 1394916 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 69745450 is about 8351.3741384278. The cubic root of 69745450 is about 411.6283645643.

The spelling of 69745450 in words is "sixty-nine million, seven hundred forty-five thousand, four hundred fifty".