40472767 has 4 divisors (see below), whose sum is σ = 42853536. Its totient is φ = 38092000.

The previous prime is 40472753. The next prime is 40472779. The reversal of 40472767 is 76727404.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40472767 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 (40472797) 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, 1190359 + ... + 1190392.

It is an arithmetic number, because the mean of its divisors is an integer number (10713384).

Almost surely, 2^40472767 is an apocalyptic number.

40472767 is a deficient number, since it is larger than the sum of its proper divisors (2380769).

40472767 is a wasteful number, since it uses less digits than its factorization.

40472767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380768.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 40472767 is about 6361.8210443237. The cubic root of 40472767 is about 343.3372826600.

The spelling of 40472767 in words is "forty million, four hundred seventy-two thousand, seven hundred sixty-seven".