99934740 has 72 divisors (see below), whose sum is σ = 304432128. Its totient is φ = 26535360.

The previous prime is 99934727. The next prime is 99934741. The reversal of 99934740 is 4743999.

99934740 is a `hidden beast` number, since 99 + 93 + 474 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99934741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46285 + ... + 48395.

It is an arithmetic number, because the mean of its divisors is an integer number (4228224).

Almost surely, 2^99934740 is an apocalyptic number.

99934740 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99934740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152216064).

99934740 is an abundant number, since it is smaller than the sum of its proper divisors (204497388).

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

99934740 is a wasteful number, since it uses less digits than its factorization.

99934740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 99934740 is about 9996.7364674678. The cubic root of 99934740 is about 464.0578913599.

The spelling of 99934740 in words is "ninety-nine million, nine hundred thirty-four thousand, seven hundred forty".