90247671 has 6 divisors (see below), whose sum is σ = 130357760. Its totient is φ = 60165108.

The previous prime is 90247667. The next prime is 90247687. The reversal of 90247671 is 17674209.

It is a happy number.

It is not a de Polignac number, because 90247671 - 2² = 90247667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90247621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5013751 + ... + 5013768.

Almost surely, 2^90247671 is an apocalyptic number.

90247671 is a deficient number, since it is larger than the sum of its proper divisors (40110089).

90247671 is a wasteful number, since it uses less digits than its factorization.

90247671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10027525 (or 10027522 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 90247671 is about 9499.8774202618. The cubic root of 90247671 is about 448.5511774056.

The spelling of 90247671 in words is "ninety million, two hundred forty-seven thousand, six hundred seventy-one".