69992745 has 8 divisors (see below), whose sum is σ = 111988416. Its totient is φ = 37329456.

The previous prime is 69992743. The next prime is 69992771. The reversal of 69992745 is 54729996.

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

It is not a de Polignac number, because 69992745 - 2¹ = 69992743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69992743) 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, 2333077 + ... + 2333106.

It is an arithmetic number, because the mean of its divisors is an integer number (13998552).

Almost surely, 2^69992745 is an apocalyptic number.

It is an amenable number.

69992745 is a deficient number, since it is larger than the sum of its proper divisors (41995671).

69992745 is a wasteful number, since it uses less digits than its factorization.

69992745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666191.

The product of its digits is 1224720, while the sum is 51.

The square root of 69992745 is about 8366.1666849281. The cubic root of 69992745 is about 412.1142914295.

The spelling of 69992745 in words is "sixty-nine million, nine hundred ninety-two thousand, seven hundred forty-five".