40754643 has 8 divisors (see below), whose sum is σ = 56702208. Its totient is φ = 25988424.

The previous prime is 40754621. The next prime is 40754653. The reversal of 40754643 is 34645704.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40754643 - 2⁶ = 40754579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40754653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295255 + ... + 295392.

It is an arithmetic number, because the mean of its divisors is an integer number (7087776).

Almost surely, 2^40754643 is an apocalyptic number.

40754643 is a deficient number, since it is larger than the sum of its proper divisors (15947565).

40754643 is a wasteful number, since it uses less digits than its factorization.

40754643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590673.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 40754643 is about 6383.9363248704. The cubic root of 40754643 is about 344.1325065290.

The spelling of 40754643 in words is "forty million, seven hundred fifty-four thousand, six hundred forty-three".