39740026 has 4 divisors (see below), whose sum is σ = 59610042. Its totient is φ = 19870012.

The previous prime is 39740017. The next prime is 39740053. The reversal of 39740026 is 62004793.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21669025 + 18071001 = 4655^2 + 4251^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 39740026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9935005 + ... + 9935008.

Almost surely, 2^39740026 is an apocalyptic number.

39740026 is a deficient number, since it is larger than the sum of its proper divisors (19870016).

39740026 is a wasteful number, since it uses less digits than its factorization.

39740026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19870015.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 39740026 is about 6303.9690671830. The cubic root of 39740026 is about 341.2526628800.

The spelling of 39740026 in words is "thirty-nine million, seven hundred forty thousand, twenty-six".