99706740 has 96 divisors (see below), whose sum is σ = 325914624. Its totient is φ = 22300800.

The previous prime is 99706729. The next prime is 99706753. The reversal of 99706740 is 4760799.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 99706692 and 99706701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17215 + ... + 22265.

It is an arithmetic number, because the mean of its divisors is an integer number (3394944).

Almost surely, 2^99706740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99706740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162957312).

99706740 is an abundant number, since it is smaller than the sum of its proper divisors (226207884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99706740 is a wasteful number, since it uses less digits than its factorization.

99706740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117 (or 5115 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 99706740 is about 9985.3262340296. The cubic root of 99706740 is about 463.7047083198.

The spelling of 99706740 in words is "ninety-nine million, seven hundred six thousand, seven hundred forty".