3700040007 has 4 divisors (see below), whose sum is σ = 4933386680. Its totient is φ = 2466693336.

The previous prime is 3700039979. The next prime is 3700040017. The reversal of 3700040007 is 7000400073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7000400073 = 3 ⋅2333466691.

It is not a de Polignac number, because 3700040007 - 2¹⁶ = 3699974471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3700040017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616673332 + ... + 616673337.

It is an arithmetic number, because the mean of its divisors is an integer number (1233346670).

Almost surely, 2^3700040007 is an apocalyptic number.

3700040007 is a deficient number, since it is larger than the sum of its proper divisors (1233346673).

3700040007 is a wasteful number, since it uses less digits than its factorization.

3700040007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233346672.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 3700040007 is about 60827.9541576075. The cubic root of 3700040007 is about 1546.6859483503.

The spelling of 3700040007 in words is "three billion, seven hundred million, forty thousand, seven".