89745360 has 80 divisors (see below), whose sum is σ = 292868160. Its totient is φ = 22671360.

The previous prime is 89745347. The next prime is 89745367. The reversal of 89745360 is 6354798.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89745367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5281 + ... + 14400.

It is an arithmetic number, because the mean of its divisors is an integer number (3660852).

Almost surely, 2^89745360 is an apocalyptic number.

89745360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89745360 is an abundant number, since it is smaller than the sum of its proper divisors (203122800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89745360 is a wasteful number, since it uses less digits than its factorization.

89745360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19716 (or 19710 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 89745360 is about 9473.4027677493. The cubic root of 89745360 is about 447.7174291646.

The spelling of 89745360 in words is "eighty-nine million, seven hundred forty-five thousand, three hundred sixty".