40672736 has 24 divisors (see below), whose sum is σ = 86234904. Its totient is φ = 18771840.

The previous prime is 40672729. The next prime is 40672757. The reversal of 40672736 is 63727604.

40672736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40672696 and 40672705.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 48470 + ... + 49301.

It is an arithmetic number, because the mean of its divisors is an integer number (3593121).

Almost surely, 2^40672736 is an apocalyptic number.

It is an amenable number.

40672736 is an abundant number, since it is smaller than the sum of its proper divisors (45562168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40672736 is a wasteful number, since it uses less digits than its factorization.

40672736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97794 (or 97786 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 40672736 is about 6377.5180125187. The cubic root of 40672736 is about 343.9018108080.

The spelling of 40672736 in words is "forty million, six hundred seventy-two thousand, seven hundred thirty-six".