90754560 has 320 divisors, whose sum is σ = 350602560. Its totient is φ = 22118400.

The previous prime is 90754541. The next prime is 90754561. The reversal of 90754560 is 6545709.

90754560 is a `hidden beast` number, since 90 + 7 + 5 + 4 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90754561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898510 + ... + 898610.

It is an arithmetic number, because the mean of its divisors is an integer number (1095633).

Almost surely, 2^90754560 is an apocalyptic number.

90754560 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90754560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175301280).

90754560 is an abundant number, since it is smaller than the sum of its proper divisors (259848000).

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

90754560 is a wasteful number, since it uses less digits than its factorization.

90754560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 90754560 is about 9526.5187765521. The cubic root of 90754560 is about 449.3893940645.

The spelling of 90754560 in words is "ninety million, seven hundred fifty-four thousand, five hundred sixty".