994761720 has 96 divisors (see below), whose sum is σ = 3403155600. Its totient is φ = 251306496.

The previous prime is 994761689. The next prime is 994761751. The reversal of 994761720 is 27167499.

994761720 is a `hidden beast` number, since 9 + 9 + 4 + 7 + 617 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (994761689) and next prime (994761751).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65877 + ... + 79556.

Almost surely, 2^994761720 is an apocalyptic number.

994761720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

994761720 is an abundant number, since it is smaller than the sum of its proper divisors (2408393880).

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

994761720 is a wasteful number, since it uses less digits than its factorization.

994761720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145469 (or 145462 counting only the distinct ones).

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

The square root of 994761720 is about 31539.8433731051. The cubic root of 994761720 is about 998.2508489210.

The spelling of 994761720 in words is "nine hundred ninety-four million, seven hundred sixty-one thousand, seven hundred twenty".