73969769 has 8 divisors (see below), whose sum is σ = 75156480. Its totient is φ = 72791136.

The previous prime is 73969739. The next prime is 73969789. The reversal of 73969769 is 96796937.

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

It is a cyclic number.

It is not a de Polignac number, because 73969769 - 2¹² = 73965673 is a prime.

It is a super-2 number, since 2×73969769² = 10943053451826722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73969729) 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, 17984 + ... + 21710.

It is an arithmetic number, because the mean of its divisors is an integer number (9394560).

Almost surely, 2^73969769 is an apocalyptic number.

It is an amenable number.

73969769 is a deficient number, since it is larger than the sum of its proper divisors (1186711).

73969769 is a wasteful number, since it uses less digits than its factorization.

73969769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039.

The product of its digits is 3857868, while the sum is 56.

The square root of 73969769 is about 8600.5679463626. The cubic root of 73969769 is about 419.7764664634.

The spelling of 73969769 in words is "seventy-three million, nine hundred sixty-nine thousand, seven hundred sixty-nine".