90054670 has 16 divisors (see below), whose sum is σ = 166480128. Its totient is φ = 35048160.

The previous prime is 90054647. The next prime is 90054677. The reversal of 90054670 is 7645009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90054677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121326 + ... + 122065.

It is an arithmetic number, because the mean of its divisors is an integer number (10405008).

Almost surely, 2^90054670 is an apocalyptic number.

90054670 is a deficient number, since it is larger than the sum of its proper divisors (76425458).

90054670 is a wasteful number, since it uses less digits than its factorization.

90054670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243435.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 90054670 is about 9489.7139050658. The cubic root of 90054670 is about 448.2311964359.

Adding to 90054670 its reverse (7645009), we get a palindrome (97699679).

The spelling of 90054670 in words is "ninety million, fifty-four thousand, six hundred seventy".