40698745 has 8 divisors (see below), whose sum is σ = 50522760. Its totient is φ = 31436160.

The previous prime is 40698739. The next prime is 40698751. The reversal of 40698745 is 54789604.

40698745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40698739) and next prime (40698751).

It can be written as a sum of positive squares in 4 ways, for example, as 45369 + 40653376 = 213^2 + 6376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40698745 - 2⁷ = 40698617 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 140196 + ... + 140485.

It is an arithmetic number, because the mean of its divisors is an integer number (6315345).

Almost surely, 2^40698745 is an apocalyptic number.

It is an amenable number.

40698745 is a deficient number, since it is larger than the sum of its proper divisors (9824015).

40698745 is a wasteful number, since it uses less digits than its factorization.

40698745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280715.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 40698745 is about 6379.5568027881. The cubic root of 40698745 is about 343.9751001672.

The spelling of 40698745 in words is "forty million, six hundred ninety-eight thousand, seven hundred forty-five".