90707147 has 8 divisors (see below), whose sum is σ = 97704960. Its totient is φ = 83963880.

The previous prime is 90707143. The next prime is 90707153. The reversal of 90707147 is 74170709.

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

It is a cyclic number.

It is not a de Polignac number, because 90707147 - 2² = 90707143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90707143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62897 + ... + 64322.

It is an arithmetic number, because the mean of its divisors is an integer number (12213120).

Almost surely, 2^90707147 is an apocalyptic number.

90707147 is a deficient number, since it is larger than the sum of its proper divisors (6997813).

90707147 is a wasteful number, since it uses less digits than its factorization.

90707147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127273.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 90707147 is about 9524.0299768533. The cubic root of 90707147 is about 449.3111221081.

The spelling of 90707147 in words is "ninety million, seven hundred seven thousand, one hundred forty-seven".