40732849 has 4 divisors (see below), whose sum is σ = 42137460. Its totient is φ = 39328240.

The previous prime is 40732847. The next prime is 40732859. The reversal of 40732849 is 94823704.

It is a happy number.

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 13359025 + 27373824 = 3655^2 + 5232^2 .

It is a cyclic number.

It is not a de Polignac number, because 40732849 - 2¹ = 40732847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40732841) 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, 702262 + ... + 702319.

It is an arithmetic number, because the mean of its divisors is an integer number (10534365).

Almost surely, 2^40732849 is an apocalyptic number.

It is an amenable number.

40732849 is a deficient number, since it is larger than the sum of its proper divisors (1404611).

40732849 is a wasteful number, since it uses less digits than its factorization.

40732849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404610.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 40732849 is about 6382.2291560238. The cubic root of 40732849 is about 344.0711526921.

The spelling of 40732849 in words is "forty million, seven hundred thirty-two thousand, eight hundred forty-nine".