90027451 has 8 divisors (see below), whose sum is σ = 95535360. Its totient is φ = 84652392.

The previous prime is 90027449. The next prime is 90027463. The reversal of 90027451 is 15472009.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90027451 - 2¹ = 90027449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90027551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31815 + ... + 34528.

It is an arithmetic number, because the mean of its divisors is an integer number (11941920).

Almost surely, 2^90027451 is an apocalyptic number.

90027451 is a deficient number, since it is larger than the sum of its proper divisors (5507909).

90027451 is a wasteful number, since it uses less digits than its factorization.

90027451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66425.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 90027451 is about 9488.2796649340. The cubic root of 90027451 is about 448.1860326322.

The spelling of 90027451 in words is "ninety million, twenty-seven thousand, four hundred fifty-one".