996725749 has 4 divisors (see below), whose sum is σ = 996794560. Its totient is φ = 996656940.

The previous prime is 996725729. The next prime is 996725773. The reversal of 996725749 is 947527699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 996725749 - 2¹⁵ = 996692981 is a prime.

It is a super-2 number, since 2×996725749² = 1986924437439222002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 996725693 and 996725702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996725729) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3309 + ... + 44770.

It is an arithmetic number, because the mean of its divisors is an integer number (249198640).

Almost surely, 2^996725749 is an apocalyptic number.

It is an amenable number.

996725749 is a deficient number, since it is larger than the sum of its proper divisors (68811).

996725749 is a wasteful number, since it uses less digits than its factorization.

996725749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68810.

The product of its digits is 8573040, while the sum is 58.

The square root of 996725749 is about 31570.9637008438. The cubic root of 996725749 is about 998.9073896374.

The spelling of 996725749 in words is "nine hundred ninety-six million, seven hundred twenty-five thousand, seven hundred forty-nine".