8240772 has 12 divisors (see below), whose sum is σ = 19228496. Its totient is φ = 2746920.

The previous prime is 8240759. The next prime is 8240779. The reversal of 8240772 is 2770428.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (8240779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343354 + ... + 343377.

Almost surely, 2^8240772 is an apocalyptic number.

It is an amenable number.

8240772 is an abundant number, since it is smaller than the sum of its proper divisors (10987724).

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

8240772 is a wasteful number, since it uses less digits than its factorization.

8240772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686738 (or 686736 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 8240772 is about 2870.6744852038. The cubic root of 8240772 is about 201.9866344129.

The spelling of 8240772 in words is "eight million, two hundred forty thousand, seven hundred seventy-two".