40773745 has 4 divisors (see below), whose sum is σ = 48928500. Its totient is φ = 32618992.

The previous prime is 40773727. The next prime is 40773751. The reversal of 40773745 is 54737704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 21095649 = 4436^2 + 4593^2 .

It is a cyclic number.

It is not a de Polignac number, because 40773745 - 2⁵ = 40773713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4077370 + ... + 4077379.

It is an arithmetic number, because the mean of its divisors is an integer number (12232125).

Almost surely, 2^40773745 is an apocalyptic number.

It is an amenable number.

40773745 is a deficient number, since it is larger than the sum of its proper divisors (8154755).

40773745 is an equidigital number, since it uses as much as digits as its factorization.

40773745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154754.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 40773745 is about 6385.4322484856. The cubic root of 40773745 is about 344.1862639407.

The spelling of 40773745 in words is "forty million, seven hundred seventy-three thousand, seven hundred forty-five".