73948565 has 8 divisors (see below), whose sum is σ = 92596608. Its totient is φ = 56586640.

The previous prime is 73948507. The next prime is 73948573. The reversal of 73948565 is 56584937.

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

It is not a de Polignac number, because 73948565 - 2⁸ = 73948309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 321401 + ... + 321630.

It is an arithmetic number, because the mean of its divisors is an integer number (11574576).

Almost surely, 2^73948565 is an apocalyptic number.

It is an amenable number.

73948565 is a deficient number, since it is larger than the sum of its proper divisors (18648043).

73948565 is a wasteful number, since it uses less digits than its factorization.

73948565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643059.

The product of its digits is 907200, while the sum is 47.

The square root of 73948565 is about 8599.3351487193. The cubic root of 73948565 is about 419.7363519186.

The spelling of 73948565 in words is "seventy-three million, nine hundred forty-eight thousand, five hundred sixty-five".