994864725 has 18 divisors (see below), whose sum is σ = 1781913666. Its totient is φ = 530594400.

The previous prime is 994864723. The next prime is 994864729. The reversal of 994864725 is 527468499.

994864725 is a `hidden beast` number, since 9 + 94 + 86 + 472 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 243172836 + 751691889 = 15594^2 + 27417^2 .

It is not a de Polignac number, because 994864725 - 2¹ = 994864723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994864723) 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 17 ways as a sum of consecutive naturals, for example, 2210586 + ... + 2211035.

Almost surely, 2^994864725 is an apocalyptic number.

It is an amenable number.

994864725 is a deficient number, since it is larger than the sum of its proper divisors (787048941).

994864725 is a wasteful number, since it uses less digits than its factorization.

994864725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421637 (or 4421629 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 994864725 is about 31541.4762653875. The cubic root of 994864725 is about 998.2853031619.

The spelling of 994864725 in words is "nine hundred ninety-four million, eight hundred sixty-four thousand, seven hundred twenty-five".