40274527 has 2 divisors, whose sum is σ = 40274528. Its totient is φ = 40274526.

The previous prime is 40274501. The next prime is 40274543. The reversal of 40274527 is 72547204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40274527 is a prime.

It is equal to p_2449336 and since 40274527 and 2449336 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40274327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20137263 + 20137264.

It is an arithmetic number, because the mean of its divisors is an integer number (20137264).

Almost surely, 2^40274527 is an apocalyptic number.

40274527 is a deficient number, since it is larger than the sum of its proper divisors (1).

40274527 is an equidigital number, since it uses as much as digits as its factorization.

40274527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 40274527 is about 6346.2214742317. The cubic root of 40274527 is about 342.7757971781.

The spelling of 40274527 in words is "forty million, two hundred seventy-four thousand, five hundred twenty-seven".