40372704 has 72 divisors (see below), whose sum is σ = 116009712. Its totient is φ = 13317120.

The previous prime is 40372699. The next prime is 40372711. The reversal of 40372704 is 40727304.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28984 + ... + 30344.

It is an arithmetic number, because the mean of its divisors is an integer number (1611246).

Almost surely, 2^40372704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40372704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58004856).

40372704 is an abundant number, since it is smaller than the sum of its proper divisors (75637008).

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

40372704 is a wasteful number, since it uses less digits than its factorization.

40372704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 40372704 is about 6353.9518411773. The cubic root of 40372704 is about 343.0540987409.

The spelling of 40372704 in words is "forty million, three hundred seventy-two thousand, seven hundred four".