40372746 has 16 divisors (see below), whose sum is σ = 80817600. Its totient is φ = 13445568.

The previous prime is 40372729. The next prime is 40372817. The reversal of 40372746 is 64727304.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6675 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (5051100).

Almost surely, 2^40372746 is an apocalyptic number.

40372746 is an abundant number, since it is smaller than the sum of its proper divisors (40444854).

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

40372746 is a wasteful number, since it uses less digits than its factorization.

40372746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 40372746 is about 6353.9551462062. The cubic root of 40372746 is about 343.0542177013.

The spelling of 40372746 in words is "forty million, three hundred seventy-two thousand, seven hundred forty-six".