40007374 has 16 divisors (see below), whose sum is σ = 65591856. Its totient is φ = 18150400.

The previous prime is 40007371. The next prime is 40007381. The reversal of 40007374 is 47370004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40007371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12684 + ... + 15520.

It is an arithmetic number, because the mean of its divisors is an integer number (4099491).

Almost surely, 2^40007374 is an apocalyptic number.

40007374 is a deficient number, since it is larger than the sum of its proper divisors (25584482).

40007374 is a wasteful number, since it uses less digits than its factorization.

40007374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 40007374 is about 6325.1382593584. The cubic root of 40007374 is about 342.0162036484.

Adding to 40007374 its reverse (47370004), we get a palindrome (87377378).

The spelling of 40007374 in words is "forty million, seven thousand, three hundred seventy-four".