73438799 has 6 divisors (see below), whose sum is σ = 85428864. Its totient is φ = 62947500.

The previous prime is 73438787. The next prime is 73438801. The reversal of 73438799 is 99783437.

It is not a de Polignac number, because 73438799 - 2⁸ = 73438543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73438709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 749327 + ... + 749424.

It is an arithmetic number, because the mean of its divisors is an integer number (14238144).

Almost surely, 2^73438799 is an apocalyptic number.

73438799 is a deficient number, since it is larger than the sum of its proper divisors (11990065).

73438799 is a wasteful number, since it uses less digits than its factorization.

73438799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498765 (or 1498758 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 73438799 is about 8569.6440416157. The cubic root of 73438799 is about 418.7696400085.

The spelling of 73438799 in words is "seventy-three million, four hundred thirty-eight thousand, seven hundred ninety-nine".