40752077 has 4 divisors (see below), whose sum is σ = 43149276. Its totient is φ = 38354880.

The previous prime is 40752037. The next prime is 40752097. The reversal of 40752077 is 77025704.

It is a happy number.

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 36168196 + 4583881 = 6014^2 + 2141^2 .

It is a cyclic number.

It is not a de Polignac number, because 40752077 - 2¹⁴ = 40735693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40752037) 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, 1198574 + ... + 1198607.

It is an arithmetic number, because the mean of its divisors is an integer number (10787319).

Almost surely, 2^40752077 is an apocalyptic number.

It is an amenable number.

40752077 is a deficient number, since it is larger than the sum of its proper divisors (2397199).

40752077 is a wasteful number, since it uses less digits than its factorization.

40752077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397198.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 40752077 is about 6383.7353485244. The cubic root of 40752077 is about 344.1252839364.

The spelling of 40752077 in words is "forty million, seven hundred fifty-two thousand, seventy-seven".