40076993 has 4 divisors (see below), whose sum is σ = 43720368. Its totient is φ = 36433620.

The previous prime is 40076969. The next prime is 40076999. The reversal of 40076993 is 39967004.

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 40076993 - 2⁶ = 40076929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40076999) 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 3 ways as a sum of consecutive naturals, for example, 1821671 + ... + 1821692.

It is an arithmetic number, because the mean of its divisors is an integer number (10930092).

Almost surely, 2^40076993 is an apocalyptic number.

It is an amenable number.

40076993 is a deficient number, since it is larger than the sum of its proper divisors (3643375).

40076993 is a wasteful number, since it uses less digits than its factorization.

40076993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643374.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 40076993 is about 6330.6392252284. The cubic root of 40076993 is about 342.2144756630.

The spelling of 40076993 in words is "forty million, seventy-six thousand, nine hundred ninety-three".