40740973 has 8 divisors (see below), whose sum is σ = 50142848. Its totient is φ = 32234544.

The previous prime is 40740967. The next prime is 40740977. The reversal of 40740973 is 37904704.

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 40740973 - 2⁹ = 40740461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40740977) 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, 223761 + ... + 223942.

It is an arithmetic number, because the mean of its divisors is an integer number (6267856).

Almost surely, 2^40740973 is an apocalyptic number.

It is an amenable number.

40740973 is a deficient number, since it is larger than the sum of its proper divisors (9401875).

40740973 is a wasteful number, since it uses less digits than its factorization.

40740973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447723.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 40740973 is about 6382.8655790327. The cubic root of 40740973 is about 344.0940256992.

The spelling of 40740973 in words is "forty million, seven hundred forty thousand, nine hundred seventy-three".