40734523 has 2 divisors, whose sum is σ = 40734524. Its totient is φ = 40734522.

The previous prime is 40734517. The next prime is 40734553. The reversal of 40734523 is 32543704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40734523 - 2²⁵ = 7180091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40734491 and 40734500.

It is not a weakly prime, because it can be changed into another prime (40734503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20367261 + 20367262.

It is an arithmetic number, because the mean of its divisors is an integer number (20367262).

Almost surely, 2^40734523 is an apocalyptic number.

40734523 is a deficient number, since it is larger than the sum of its proper divisors (1).

40734523 is an equidigital number, since it uses as much as digits as its factorization.

40734523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 40734523 is about 6382.3603000771. The cubic root of 40734523 is about 344.0758660642.

The spelling of 40734523 in words is "forty million, seven hundred thirty-four thousand, five hundred twenty-three".