40736147 has 2 divisors, whose sum is σ = 40736148. Its totient is φ = 40736146.

The previous prime is 40736119. The next prime is 40736159. The reversal of 40736147 is 74163704.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40736147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40736107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20368073 + 20368074.

It is an arithmetic number, because the mean of its divisors is an integer number (20368074).

Almost surely, 2^40736147 is an apocalyptic number.

40736147 is a deficient number, since it is larger than the sum of its proper divisors (1).

40736147 is an equidigital number, since it uses as much as digits as its factorization.

40736147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 40736147 is about 6382.4875244688. The cubic root of 40736147 is about 344.0804385312.

The spelling of 40736147 in words is "forty million, seven hundred thirty-six thousand, one hundred forty-seven".