40672372 has 48 divisors (see below), whose sum is σ = 82639872. Its totient is φ = 17360640.

The previous prime is 40672337. The next prime is 40672399. The reversal of 40672372 is 27327604.

It is a happy number.

40672372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 15 ways as a sum of consecutive naturals, for example, 36528 + ... + 37624.

It is an arithmetic number, because the mean of its divisors is an integer number (1721664).

Almost surely, 2^40672372 is an apocalyptic number.

It is an amenable number.

40672372 is an abundant number, since it is smaller than the sum of its proper divisors (41967500).

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

40672372 is a wasteful number, since it uses less digits than its factorization.

40672372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 40672372 is about 6377.4894747071. The cubic root of 40672372 is about 343.9007848903.

Adding to 40672372 its reverse (27327604), we get a palindrome (67999976).

The spelling of 40672372 in words is "forty million, six hundred seventy-two thousand, three hundred seventy-two".