89725465 has 8 divisors (see below), whose sum is σ = 107839368. Its totient is φ = 71667840.

The previous prime is 89725453. The next prime is 89725499. The reversal of 89725465 is 56452798.

It can be written as a sum of positive squares in 4 ways, for example, as 18896409 + 70829056 = 4347^2 + 8416^2 .

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

It is not a de Polignac number, because 89725465 - 2²¹ = 87628313 is a prime.

It is a Duffinian number.

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, 10476 + ... + 17005.

It is an arithmetic number, because the mean of its divisors is an integer number (13479921).

Almost surely, 2^89725465 is an apocalyptic number.

It is an amenable number.

89725465 is a deficient number, since it is larger than the sum of its proper divisors (18113903).

89725465 is a wasteful number, since it uses less digits than its factorization.

89725465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28139.

The product of its digits is 604800, while the sum is 46.

The square root of 89725465 is about 9472.3526644651. The cubic root of 89725465 is about 447.6843429730.

It can be divided in two parts, 897 and 25465, that added together give a palindrome (26362).

The spelling of 89725465 in words is "eighty-nine million, seven hundred twenty-five thousand, four hundred sixty-five".