40073394 has 32 divisors (see below), whose sum is σ = 85570560. Its totient is φ = 12474000.

The previous prime is 40073393. The next prime is 40073417. The reversal of 40073394 is 49337004.

40073394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40073393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5619 + ... + 10569.

It is an arithmetic number, because the mean of its divisors is an integer number (2674080).

Almost surely, 2^40073394 is an apocalyptic number.

40073394 is an abundant number, since it is smaller than the sum of its proper divisors (45497166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40073394 is a wasteful number, since it uses less digits than its factorization.

40073394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 40073394 is about 6330.3549663506. The cubic root of 40073394 is about 342.2042314915.

The spelling of 40073394 in words is "forty million, seventy-three thousand, three hundred ninety-four".