40672837 has 4 divisors (see below), whose sum is σ = 41984896. Its totient is φ = 39360780.

The previous prime is 40672831. The next prime is 40672859. The reversal of 40672837 is 73827604.

40672837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40672837 - 2³ = 40672829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40672796 and 40672805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40672831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655983 + ... + 656044.

It is an arithmetic number, because the mean of its divisors is an integer number (10496224).

Almost surely, 2^40672837 is an apocalyptic number.

It is an amenable number.

40672837 is a deficient number, since it is larger than the sum of its proper divisors (1312059).

40672837 is a wasteful number, since it uses less digits than its factorization.

40672837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312058.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 40672837 is about 6377.5259309547. The cubic root of 40672837 is about 343.9020954708.

The spelling of 40672837 in words is "forty million, six hundred seventy-two thousand, eight hundred thirty-seven".