42812296 has 16 divisors (see below), whose sum is σ = 80343900. Its totient is φ = 21387264.

The previous prime is 42812279. The next prime is 42812299. The reversal of 42812296 is 69221824.

It can be written as a sum of positive squares in 2 ways, for example, as 42640900 + 171396 = 6530^2 + 414^2 .

It is not an unprimeable number, because it can be changed into a prime (42812299) 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, 13696 + ... + 16528.

Almost surely, 2^42812296 is an apocalyptic number.

42812296 is the 3778-th octagonal number.

It is an amenable number.

42812296 is a deficient number, since it is larger than the sum of its proper divisors (37531604).

42812296 is a wasteful number, since it uses less digits than its factorization.

42812296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728 (or 4724 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 42812296 is about 6543.1105752539. The cubic root of 42812296 is about 349.8292936252.

The spelling of 42812296 in words is "forty-two million, eight hundred twelve thousand, two hundred ninety-six".