40070477 has 2 divisors, whose sum is σ = 40070478. Its totient is φ = 40070476.

The previous prime is 40070447. The next prime is 40070521. The reversal of 40070477 is 77407004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37039396 + 3031081 = 6086^2 + 1741^2 .

It is a cyclic number.

It is not a de Polignac number, because 40070477 - 2⁶ = 40070413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40070447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20035238 + 20035239.

It is an arithmetic number, because the mean of its divisors is an integer number (20035239).

Almost surely, 2^40070477 is an apocalyptic number.

It is an amenable number.

40070477 is a deficient number, since it is larger than the sum of its proper divisors (1).

40070477 is an equidigital number, since it uses as much as digits as its factorization.

40070477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 40070477 is about 6330.1245643352. The cubic root of 40070477 is about 342.1959281106.

The spelling of 40070477 in words is "forty million, seventy thousand, four hundred seventy-seven".