69999763 has 8 divisors (see below), whose sum is σ = 70575120. Its totient is φ = 69427200.

The previous prime is 69999737. The next prime is 69999799. The reversal of 69999763 is 36799996.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69999763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69999698 and 69999707.

It is not an unprimeable number, because it can be changed into a prime (69999703) 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 7 ways as a sum of consecutive naturals, for example, 90643 + ... + 91411.

It is an arithmetic number, because the mean of its divisors is an integer number (8821890).

Almost surely, 2^69999763 is an apocalyptic number.

69999763 is a deficient number, since it is larger than the sum of its proper divisors (575357).

69999763 is a wasteful number, since it uses less digits than its factorization.

69999763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its digits is 4960116, while the sum is 58.

The square root of 69999763 is about 8366.5861018697. The cubic root of 69999763 is about 412.1280648638.

The spelling of 69999763 in words is "sixty-nine million, nine hundred ninety-nine thousand, seven hundred sixty-three".