40704212 has 24 divisors (see below), whose sum is σ = 73333512. Its totient is φ = 19760000.

The previous prime is 40704211. The next prime is 40704233. The reversal of 40704212 is 21240704.

It can be written as a sum of positive squares in 4 ways, for example, as 11262736 + 29441476 = 3356^2 + 5426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40704211) 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, 20462 + ... + 22362.

It is an arithmetic number, because the mean of its divisors is an integer number (3055563).

Almost surely, 2^40704212 is an apocalyptic number.

It is an amenable number.

40704212 is a deficient number, since it is larger than the sum of its proper divisors (32629300).

40704212 is a wasteful number, since it uses less digits than its factorization.

40704212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 40704212 is about 6379.9852664407. The cubic root of 40704212 is about 343.9905013602.

Adding to 40704212 its reverse (21240704), we get a palindrome (61944916).

The spelling of 40704212 in words is "forty million, seven hundred four thousand, two hundred twelve".