90066694 has 8 divisors (see below), whose sum is σ = 135188640. Its totient is φ = 45003816.

The previous prime is 90066673. The next prime is 90066701. The reversal of 90066694 is 49666009.

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

It is a super-2 number, since 2×90066694² = 16224018736179272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10734 + ... + 17185.

It is an arithmetic number, because the mean of its divisors is an integer number (16898580).

Almost surely, 2^90066694 is an apocalyptic number.

90066694 is a deficient number, since it is larger than the sum of its proper divisors (45121946).

90066694 is a wasteful number, since it uses less digits than its factorization.

90066694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29534.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 90066694 is about 9490.3474119760. The cubic root of 90066694 is about 448.2511446594.

The spelling of 90066694 in words is "ninety million, sixty-six thousand, six hundred ninety-four".