994671720 has 192 divisors, whose sum is σ = 3745797120. Its totient is φ = 224197632.

The previous prime is 994671707. The next prime is 994671739. The reversal of 994671720 is 27176499.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181257 + ... + 186663.

It is an arithmetic number, because the mean of its divisors is an integer number (19509360).

Almost surely, 2^994671720 is an apocalyptic number.

994671720 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 994671720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872898560).

994671720 is an abundant number, since it is smaller than the sum of its proper divisors (2751125400).

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

994671720 is a wasteful number, since it uses less digits than its factorization.

994671720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504 (or 5497 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 994671720 is about 31538.4165740768. The cubic root of 994671720 is about 998.2207427880.

The spelling of 994671720 in words is "nine hundred ninety-four million, six hundred seventy-one thousand, seven hundred twenty".