90867070 has 48 divisors (see below), whose sum is σ = 194948208. Its totient is φ = 30387840.

The previous prime is 90867061. The next prime is 90867071. The reversal of 90867070 is 7076809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90867071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17829 + ... + 22351.

It is an arithmetic number, because the mean of its divisors is an integer number (4061421).

Almost surely, 2^90867070 is an apocalyptic number.

90867070 is an abundant number, since it is smaller than the sum of its proper divisors (104081138).

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

90867070 is a wasteful number, since it uses less digits than its factorization.

90867070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585 (or 4578 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 90867070 is about 9532.4220426920. The cubic root of 90867070 is about 449.5750226485.

The spelling of 90867070 in words is "ninety million, eight hundred sixty-seven thousand, seventy".