30040373 has 8 divisors (see below), whose sum is σ = 32892960. Its totient is φ = 27208080.

The previous prime is 30040363. The next prime is 30040397. The reversal of 30040373 is 37304003.

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 30040373 - 2⁸ = 30040117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040363) 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, 1883 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (4111620).

Almost surely, 2^30040373 is an apocalyptic number.

It is an amenable number.

30040373 is a deficient number, since it is larger than the sum of its proper divisors (2852587).

30040373 is a wasteful number, since it uses less digits than its factorization.

30040373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 30040373 is about 5480.9098697205. The cubic root of 30040373 is about 310.8625751124.

Adding to 30040373 its reverse (37304003), we get a palindrome (67344376).

The spelling of 30040373 in words is "thirty million, forty thousand, three hundred seventy-three".