40774738 has 8 divisors (see below), whose sum is σ = 64759932. Its totient is φ = 19188096.

The previous prime is 40774733. The next prime is 40774753. The reversal of 40774738 is 83747704.

It can be written as a sum of positive squares in 2 ways, for example, as 39601849 + 1172889 = 6293^2 + 1083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40774738.

It is not an unprimeable number, because it can be changed into a prime (40774733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599595 + ... + 599662.

Almost surely, 2^40774738 is an apocalyptic number.

40774738 is a deficient number, since it is larger than the sum of its proper divisors (23985194).

40774738 is a wasteful number, since it uses less digits than its factorization.

40774738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199276.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 40774738 is about 6385.5100031243. The cubic root of 40774738 is about 344.1890580115.

The spelling of 40774738 in words is "forty million, seven hundred seventy-four thousand, seven hundred thirty-eight".