90064427 has 8 divisors (see below), whose sum is σ = 95745360. Its totient is φ = 84477600.

The previous prime is 90064421. The next prime is 90064439. The reversal of 90064427 is 72446009.

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 90064427 - 2⁶ = 90064363 is a prime.

It is a super-2 number, since 2×90064427² = 16223202021676658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90064393 and 90064402.

It is not an unprimeable number, because it can be changed into a prime (90064421) 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, 21548 + ... + 25385.

It is an arithmetic number, because the mean of its divisors is an integer number (11968170).

Almost surely, 2^90064427 is an apocalyptic number.

90064427 is a deficient number, since it is larger than the sum of its proper divisors (5680933).

90064427 is a wasteful number, since it uses less digits than its factorization.

90064427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47053.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 90064427 is about 9490.2279740794. The cubic root of 90064427 is about 448.2473837654.

The spelling of 90064427 in words is "ninety million, sixty-four thousand, four hundred twenty-seven".