84737993 has 8 divisors (see below), whose sum is σ = 87107328. Its totient is φ = 82386864.

The previous prime is 84737987. The next prime is 84738011. The reversal of 84737993 is 39973748.

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 84737993 - 2⁴ = 84737977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84737903) 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, 5171 + ... + 14007.

It is an arithmetic number, because the mean of its divisors is an integer number (10888416).

Almost surely, 2^84737993 is an apocalyptic number.

It is an amenable number.

84737993 is a deficient number, since it is larger than the sum of its proper divisors (2369335).

84737993 is a wasteful number, since it uses less digits than its factorization.

84737993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103.

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

The square root of 84737993 is about 9205.3241659379. The cubic root of 84737993 is about 439.2307374753.

The spelling of 84737993 in words is "eighty-four million, seven hundred thirty-seven thousand, nine hundred ninety-three".