90720150 has 24 divisors (see below), whose sum is σ = 224986344. Its totient is φ = 24192000.

The previous prime is 90720139. The next prime is 90720151. The reversal of 90720150 is 5102709.

It is a self number, because there is not a number n which added to its sum of digits gives 90720150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90720151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302251 + ... + 302550.

It is an arithmetic number, because the mean of its divisors is an integer number (9374431).

Almost surely, 2^90720150 is an apocalyptic number.

90720150 is an abundant number, since it is smaller than the sum of its proper divisors (134266194).

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

90720150 is a wasteful number, since it uses less digits than its factorization.

90720150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604816 (or 604811 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 90720150 is about 9524.7125940891. The cubic root of 90720150 is about 449.3325908809.

Adding to 90720150 its reverse (5102709), we get a palindrome (95822859).

The spelling of 90720150 in words is "ninety million, seven hundred twenty thousand, one hundred fifty".