90790378 has 32 divisors (see below), whose sum is σ = 162912384. Its totient is φ = 37132992.

The previous prime is 90790369. The next prime is 90790397. The reversal of 90790378 is 87309709.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25801 + ... + 29107.

It is an arithmetic number, because the mean of its divisors is an integer number (5091012).

Almost surely, 2^90790378 is an apocalyptic number.

90790378 is a deficient number, since it is larger than the sum of its proper divisors (72122006).

90790378 is a wasteful number, since it uses less digits than its factorization.

90790378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 90790378 is about 9528.3985013222. The cubic root of 90790378 is about 449.4485062906.

The spelling of 90790378 in words is "ninety million, seven hundred ninety thousand, three hundred seventy-eight".