89715745 has 8 divisors (see below), whose sum is σ = 123038784. Its totient is φ = 61519344.

The previous prime is 89715737. The next prime is 89715751. The reversal of 89715745 is 54751798.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89715745 - 2³ = 89715737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89715695 and 89715704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281619 + ... + 1281688.

It is an arithmetic number, because the mean of its divisors is an integer number (15379848).

Almost surely, 2^89715745 is an apocalyptic number.

It is an amenable number.

89715745 is a deficient number, since it is larger than the sum of its proper divisors (33323039).

89715745 is a wasteful number, since it uses less digits than its factorization.

89715745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563319.

The product of its digits is 352800, while the sum is 46.

The square root of 89715745 is about 9471.8395784557. The cubic root of 89715745 is about 447.6681764404.

The spelling of 89715745 in words is "eighty-nine million, seven hundred fifteen thousand, seven hundred forty-five".