40912937 has 4 divisors (see below), whose sum is σ = 44060100. Its totient is φ = 37765776.

The previous prime is 40912933. The next prime is 40913011. The reversal of 40912937 is 73921904.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16152361 + 24760576 = 4019^2 + 4976^2 .

It is a cyclic number.

It is not a de Polignac number, because 40912937 - 2² = 40912933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40912897 and 40912906.

It is not an unprimeable number, because it can be changed into a prime (40912933) 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, 1573562 + ... + 1573587.

It is an arithmetic number, because the mean of its divisors is an integer number (11015025).

Almost surely, 2^40912937 is an apocalyptic number.

It is an amenable number.

40912937 is a deficient number, since it is larger than the sum of its proper divisors (3147163).

40912937 is a wasteful number, since it uses less digits than its factorization.

40912937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147162.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 40912937 is about 6396.3221463588. The cubic root of 40912937 is about 344.5774761622.

The spelling of 40912937 in words is "forty million, nine hundred twelve thousand, nine hundred thirty-seven".