89473749 has 8 divisors (see below), whose sum is σ = 124485312. Its totient is φ = 57055680.

The previous prime is 89473723. The next prime is 89473753. The reversal of 89473749 is 94737498.

It is a happy number.

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

It is not a de Polignac number, because 89473749 - 2²⁵ = 55919317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89473789) 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 7 ways as a sum of consecutive naturals, for example, 648292 + ... + 648429.

It is an arithmetic number, because the mean of its divisors is an integer number (15560664).

Almost surely, 2^89473749 is an apocalyptic number.

It is an amenable number.

89473749 is a deficient number, since it is larger than the sum of its proper divisors (35011563).

89473749 is a wasteful number, since it uses less digits than its factorization.

89473749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296747.

The product of its digits is 1524096, while the sum is 51.

The square root of 89473749 is about 9459.0564540022. The cubic root of 89473749 is about 447.2653060205.

The spelling of 89473749 in words is "eighty-nine million, four hundred seventy-three thousand, seven hundred forty-nine".