69997623 has 16 divisors (see below), whose sum is σ = 94528896. Its totient is φ = 46069920.

The previous prime is 69997621. The next prime is 69997637. The reversal of 69997623 is 32679996.

It is not a de Polignac number, because 69997623 - 2¹ = 69997621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69997621) 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 15 ways as a sum of consecutive naturals, for example, 108540 + ... + 109182.

It is an arithmetic number, because the mean of its divisors is an integer number (5908056).

Almost surely, 2^69997623 is an apocalyptic number.

69997623 is a deficient number, since it is larger than the sum of its proper divisors (24531273).

69997623 is a wasteful number, since it uses less digits than its factorization.

69997623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its digits is 1102248, while the sum is 51.

The square root of 69997623 is about 8366.4582112146. The cubic root of 69997623 is about 412.1238650256.

The spelling of 69997623 in words is "sixty-nine million, nine hundred ninety-seven thousand, six hundred twenty-three".