89729746 has 8 divisors (see below), whose sum is σ = 134854524. Its totient is φ = 44778240.

The previous prime is 89729743. The next prime is 89729749. The reversal of 89729746 is 64792798.

It is an interprime number because it is at equal distance from previous prime (89729743) and next prime (89729749).

It can be written as a sum of positive squares in 2 ways, for example, as 69072721 + 20657025 = 8311^2 + 4545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 89729693 and 89729702.

It is not an unprimeable number, because it can be changed into a prime (89729743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42015 + ... + 44098.

Almost surely, 2^89729746 is an apocalyptic number.

89729746 is a deficient number, since it is larger than the sum of its proper divisors (45124778).

89729746 is a wasteful number, since it uses less digits than its factorization.

89729746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86636.

The product of its digits is 1524096, while the sum is 52.

The square root of 89729746 is about 9472.5786351975. The cubic root of 89729746 is about 447.6914628625.

The spelling of 89729746 in words is "eighty-nine million, seven hundred twenty-nine thousand, seven hundred forty-six".