90068780 has 24 divisors (see below), whose sum is σ = 195667920. Its totient is φ = 34784960.

The previous prime is 90068761. The next prime is 90068813. The reversal of 90068780 is 8786009.

It is a super-2 number, since 2×90068780² = 16224770261376800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77066 + ... + 78225.

It is an arithmetic number, because the mean of its divisors is an integer number (8152830).

Almost surely, 2^90068780 is an apocalyptic number.

It is an amenable number.

90068780 is an abundant number, since it is smaller than the sum of its proper divisors (105599140).

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

90068780 is a wasteful number, since it uses less digits than its factorization.

90068780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155329 (or 155327 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 90068780 is about 9490.4573124797. The cubic root of 90068780 is about 448.2546052234.

The spelling of 90068780 in words is "ninety million, sixty-eight thousand, seven hundred eighty".