73988953 has 4 divisors (see below), whose sum is σ = 77205888. Its totient is φ = 70772020.

The previous prime is 73988933. The next prime is 73988977. The reversal of 73988953 is 35988937.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73988953 - 2⁵ = 73988921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73988953.

It is not an unprimeable number, because it can be changed into a prime (73988923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608433 + ... + 1608478.

It is an arithmetic number, because the mean of its divisors is an integer number (19301472).

Almost surely, 2^73988953 is an apocalyptic number.

It is an amenable number.

73988953 is a deficient number, since it is larger than the sum of its proper divisors (3216935).

73988953 is a wasteful number, since it uses less digits than its factorization.

73988953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216934.

The product of its digits is 1632960, while the sum is 52.

The square root of 73988953 is about 8601.6831492447. The cubic root of 73988953 is about 419.8127528895.

The spelling of 73988953 in words is "seventy-three million, nine hundred eighty-eight thousand, nine hundred fifty-three".