99702039 has 4 divisors (see below), whose sum is σ = 132936056. Its totient is φ = 66468024.

The previous prime is 99702019. The next prime is 99702041. The reversal of 99702039 is 93020799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93020799 = 3 ⋅31006933.

It is not a de Polignac number, because 99702039 - 2²⁴ = 82924823 is a prime.

It is a super-3 number, since 3×99702039³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99701988 and 99702006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99702019) 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, 16617004 + ... + 16617009.

It is an arithmetic number, because the mean of its divisors is an integer number (33234014).

Almost surely, 2^99702039 is an apocalyptic number.

99702039 is a deficient number, since it is larger than the sum of its proper divisors (33234017).

99702039 is a wasteful number, since it uses less digits than its factorization.

99702039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33234016.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 99702039 is about 9985.0908358412. The cubic root of 99702039 is about 463.6974205808.

The spelling of 99702039 in words is "ninety-nine million, seven hundred two thousand, thirty-nine".