40473393 has 4 divisors (see below), whose sum is σ = 53964528. Its totient is φ = 26982260.

The previous prime is 40473371. The next prime is 40473421. The reversal of 40473393 is 39337404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40473393 - 2⁵ = 40473361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40473313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6745563 + ... + 6745568.

It is an arithmetic number, because the mean of its divisors is an integer number (13491132).

Almost surely, 2^40473393 is an apocalyptic number.

It is an amenable number.

40473393 is a deficient number, since it is larger than the sum of its proper divisors (13491135).

40473393 is a wasteful number, since it uses less digits than its factorization.

40473393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491134.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 40473393 is about 6361.8702438827. The cubic root of 40473393 is about 343.3390528053.

The spelling of 40473393 in words is "forty million, four hundred seventy-three thousand, three hundred ninety-three".