40702072 has 16 divisors (see below), whose sum is σ = 78379560. Its totient is φ = 19800864.

The previous prime is 40702061. The next prime is 40702127. The reversal of 40702072 is 27020704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68458 + ... + 69049.

Almost surely, 2^40702072 is an apocalyptic number.

It is an amenable number.

40702072 is a deficient number, since it is larger than the sum of its proper divisors (37677488).

40702072 is a wasteful number, since it uses less digits than its factorization.

40702072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137550 (or 137546 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 40702072 is about 6379.8175522502. The cubic root of 40702072 is about 343.9844728885.

Adding to 40702072 its reverse (27020704), we get a palindrome (67722776).

The spelling of 40702072 in words is "forty million, seven hundred two thousand, seventy-two".