40075761 has 8 divisors (see below), whose sum is σ = 58292064. Its totient is φ = 24288320.

The previous prime is 40075757. The next prime is 40075781. The reversal of 40075761 is 16757004.

It is a happy number.

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 40075761 - 2² = 40075757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40075781) 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, 607176 + ... + 607241.

It is an arithmetic number, because the mean of its divisors is an integer number (7286508).

Almost surely, 2^40075761 is an apocalyptic number.

It is an amenable number.

40075761 is a deficient number, since it is larger than the sum of its proper divisors (18216303).

40075761 is a wasteful number, since it uses less digits than its factorization.

40075761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214431.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 40075761 is about 6330.5419199307. The cubic root of 40075761 is about 342.2109689748.

The spelling of 40075761 in words is "forty million, seventy-five thousand, seven hundred sixty-one".