40730137 has 8 divisors (see below), whose sum is σ = 46656000. Its totient is φ = 34831104.

The previous prime is 40730117. The next prime is 40730149. The reversal of 40730137 is 73103704.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-40730137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40730117) 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, 3337 + ... + 9622.

It is an arithmetic number, because the mean of its divisors is an integer number (5832000).

Almost surely, 2^40730137 is an apocalyptic number.

It is an amenable number.

40730137 is a deficient number, since it is larger than the sum of its proper divisors (5925863).

40730137 is a wasteful number, since it uses less digits than its factorization.

40730137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 40730137 is about 6382.0166875369. The cubic root of 40730137 is about 344.0635164174.

The spelling of 40730137 in words is "forty million, seven hundred thirty thousand, one hundred thirty-seven".