73677993 has 8 divisors (see below), whose sum is σ = 102508608. Its totient is φ = 46983024.

The previous prime is 73677971. The next prime is 73678001. The reversal of 73677993 is 39977637.

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

It is not a de Polignac number, because 73677993 - 2²¹ = 71580841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73677913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533830 + ... + 533967.

It is an arithmetic number, because the mean of its divisors is an integer number (12813576).

Almost surely, 2^73677993 is an apocalyptic number.

It is an amenable number.

73677993 is a deficient number, since it is larger than the sum of its proper divisors (28830615).

73677993 is a wasteful number, since it uses less digits than its factorization.

73677993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067823.

The product of its digits is 1500282, while the sum is 51.

The square root of 73677993 is about 8583.5885852014. The cubic root of 73677993 is about 419.2237988141.

The spelling of 73677993 in words is "seventy-three million, six hundred seventy-seven thousand, nine hundred ninety-three".