40730619 has 8 divisors (see below), whose sum is σ = 54535680. Its totient is φ = 27039656.

The previous prime is 40730593. The next prime is 40730653. The reversal of 40730619 is 91603704.

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 40730619 - 2⁸ = 40730363 is a prime.

It is a super-2 number, since 2×40730619² = 3317966648246322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40730219) 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, 27687 + ... + 29120.

It is an arithmetic number, because the mean of its divisors is an integer number (6816960).

Almost surely, 2^40730619 is an apocalyptic number.

40730619 is a deficient number, since it is larger than the sum of its proper divisors (13805061).

40730619 is a wasteful number, since it uses less digits than its factorization.

40730619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57049.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 40730619 is about 6382.0544497834. The cubic root of 40730619 is about 344.0648736267.

The spelling of 40730619 in words is "forty million, seven hundred thirty thousand, six hundred nineteen".