99079740 has 192 divisors, whose sum is σ = 335301120. Its totient is φ = 24192000.

The previous prime is 99079709. The next prime is 99079741. The reversal of 99079740 is 4797099.

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 (99079741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 394615 + ... + 394865.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 2^99079740 is an apocalyptic number.

99079740 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 99079740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167650560).

99079740 is an abundant number, since it is smaller than the sum of its proper divisors (236221380).

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

99079740 is a wasteful number, since it uses less digits than its factorization.

99079740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 99079740 is about 9953.8806502791. The cubic root of 99079740 is about 462.7306704229.

The spelling of 99079740 in words is "ninety-nine million, seventy-nine thousand, seven hundred forty".