90740378 has 8 divisors (see below), whose sum is σ = 138142272. Its totient is φ = 44692956.

The previous prime is 90740347. The next prime is 90740381. The reversal of 90740378 is 87304709.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338450 + ... + 338717.

It is an arithmetic number, because the mean of its divisors is an integer number (17267784).

Almost surely, 2^90740378 is an apocalyptic number.

90740378 is a deficient number, since it is larger than the sum of its proper divisors (47401894).

90740378 is a wasteful number, since it uses less digits than its factorization.

90740378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677236.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 90740378 is about 9525.7744042151. The cubic root of 90740378 is about 449.3659845066.

The spelling of 90740378 in words is "ninety million, seven hundred forty thousand, three hundred seventy-eight".