40704425 has 6 divisors (see below), whose sum is σ = 50473518. Its totient is φ = 32563520.

The previous prime is 40704407. The next prime is 40704437. The reversal of 40704425 is 52440704.

40704425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 14622976 + 26081449 = 3824^2 + 5107^2 .

It is not a de Polignac number, because 40704425 - 2⁶ = 40704361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40704394 and 40704403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 814064 + ... + 814113.

It is an arithmetic number, because the mean of its divisors is an integer number (8412253).

Almost surely, 2^40704425 is an apocalyptic number.

It is an amenable number.

40704425 is a deficient number, since it is larger than the sum of its proper divisors (9769093).

40704425 is a wasteful number, since it uses less digits than its factorization.

40704425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628187 (or 1628182 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 40704425 is about 6380.0019592473. The cubic root of 40704425 is about 343.9911013788.

It can be divided in two parts, 407044 and 25, that multiplied together give a square (10176100 = 3190²).

The spelling of 40704425 in words is "forty million, seven hundred four thousand, four hundred twenty-five".