40730613 has 24 divisors (see below), whose sum is σ = 68919840. Its totient is φ = 21157920.

The previous prime is 40730593. The next prime is 40730653. The reversal of 40730613 is 31603704.

It is not a de Polignac number, because 40730613 - 2⁵ = 40730581 is a prime.

It is a super-3 number, since 3×40730613³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40730653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10978 + ... + 14211.

It is an arithmetic number, because the mean of its divisors is an integer number (2871660).

Almost surely, 2^40730613 is an apocalyptic number.

It is an amenable number.

40730613 is a deficient number, since it is larger than the sum of its proper divisors (28189227).

40730613 is a wasteful number, since it uses less digits than its factorization.

40730613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25217 (or 25210 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 40730613 is about 6382.0539797153. The cubic root of 40730613 is about 344.0648567320.

The spelling of 40730613 in words is "forty million, seven hundred thirty thousand, six hundred thirteen".