40729413 has 8 divisors (see below), whose sum is σ = 54590976. Its totient is φ = 27010400.

The previous prime is 40729397. The next prime is 40729417. The reversal of 40729413 is 31492704.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40729413 - 2⁴ = 40729397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40729417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34968 + ... + 36113.

It is an arithmetic number, because the mean of its divisors is an integer number (6823872).

Almost surely, 2^40729413 is an apocalyptic number.

It is an amenable number.

40729413 is a deficient number, since it is larger than the sum of its proper divisors (13861563).

40729413 is a wasteful number, since it uses less digits than its factorization.

40729413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71275.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40729413 is about 6381.9599654025. The cubic root of 40729413 is about 344.0614777676.

The spelling of 40729413 in words is "forty million, seven hundred twenty-nine thousand, four hundred thirteen".