90705378 has 8 divisors (see below), whose sum is σ = 181410768. Its totient is φ = 30235124.

The previous prime is 90705367. The next prime is 90705383. The reversal of 90705378 is 87350709.

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

90705378 is an admirable 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, 7558776 + ... + 7558787.

It is an arithmetic number, because the mean of its divisors is an integer number (22676346).

Almost surely, 2^90705378 is an apocalyptic number.

90705378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90705378 is a wasteful number, since it uses less digits than its factorization.

90705378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15117568.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 90705378 is about 9523.9371060502. The cubic root of 90705378 is about 449.3082012191.

The spelling of 90705378 in words is "ninety million, seven hundred five thousand, three hundred seventy-eight".