90030061 has 8 divisors (see below), whose sum is σ = 98725824. Its totient is φ = 81419520.

The previous prime is 90030049. The next prime is 90030067. The reversal of 90030061 is 16003009.

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 90030061 - 2⁵ = 90030029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90030067) 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, 19081 + ... + 23326.

It is an arithmetic number, because the mean of its divisors is an integer number (12340728).

Almost surely, 2^90030061 is an apocalyptic number.

It is an amenable number.

90030061 is a deficient number, since it is larger than the sum of its proper divisors (8695763).

90030061 is a wasteful number, since it uses less digits than its factorization.

90030061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42611.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 90030061 is about 9488.4172020417. The cubic root of 90030061 is about 448.1903637343.

The spelling of 90030061 in words is "ninety million, thirty thousand, sixty-one".