40470837 has 16 divisors (see below), whose sum is σ = 59393088. Its totient is φ = 24308480.

The previous prime is 40470821. The next prime is 40470847. The reversal of 40470837 is 73807404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40470837 - 2⁴ = 40470821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 40470798 and 40470807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40470847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698 + ... + 9155.

It is an arithmetic number, because the mean of its divisors is an integer number (3712068).

Almost surely, 2^40470837 is an apocalyptic number.

It is an amenable number.

40470837 is a deficient number, since it is larger than the sum of its proper divisors (18922251).

40470837 is a wasteful number, since it uses less digits than its factorization.

40470837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10980.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 40470837 is about 6361.6693563875. The cubic root of 40470837 is about 343.3318250685.

The spelling of 40470837 in words is "forty million, four hundred seventy thousand, eight hundred thirty-seven".