69999803 has 4 divisors (see below), whose sum is σ = 71320608. Its totient is φ = 68679000.

The previous prime is 69999799. The next prime is 69999821. The reversal of 69999803 is 30899996.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69999803 - 2² = 69999799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 1320751 = 69999803 / (6 + 9 + 9 + 9 + 9 + 8 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69999103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660323 + ... + 660428.

It is an arithmetic number, because the mean of its divisors is an integer number (17830152).

Almost surely, 2^69999803 is an apocalyptic number.

69999803 is a deficient number, since it is larger than the sum of its proper divisors (1320805).

69999803 is a wasteful number, since it uses less digits than its factorization.

69999803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320804.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 69999803 is about 8366.5884923307. The cubic root of 69999803 is about 412.1281433647.

The spelling of 69999803 in words is "sixty-nine million, nine hundred ninety-nine thousand, eight hundred three".