40947507 has 12 divisors (see below), whose sum is σ = 61186320. Its totient is φ = 26356848.

The previous prime is 40947499. The next prime is 40947541. The reversal of 40947507 is 70574904.

It is a happy number.

It is not a de Polignac number, because 40947507 - 2³ = 40947499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40947007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78183 + ... + 78704.

It is an arithmetic number, because the mean of its divisors is an integer number (5098860).

Almost surely, 2^40947507 is an apocalyptic number.

40947507 is a deficient number, since it is larger than the sum of its proper divisors (20238813).

40947507 is a wasteful number, since it uses less digits than its factorization.

40947507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156922 (or 156919 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40947507 is about 6399.0239099413. The cubic root of 40947507 is about 344.6745008094.

The spelling of 40947507 in words is "forty million, nine hundred forty-seven thousand, five hundred seven".