40994073 has 32 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 25938000.

The previous prime is 40994003. The next prime is 40994087. The reversal of 40994073 is 37049904.

It is not a de Polignac number, because 40994073 - 2¹⁴ = 40977689 is a prime.

It is a super-2 number, since 2×40994073² = 3361028042258658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40994003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155740 + ... + 156002.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^40994073 is an apocalyptic number.

It is an amenable number.

40994073 is a deficient number, since it is larger than the sum of its proper divisors (22872807).

40994073 is a wasteful number, since it uses less digits than its factorization.

40994073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40994073 is about 6402.6613997618. The cubic root of 40994073 is about 344.8051073159.

The spelling of 40994073 in words is "forty million, nine hundred ninety-four thousand, seventy-three".