3700400407 has 8 divisors (see below), whose sum is σ = 4040969472. Its totient is φ = 3360526200.

The previous prime is 3700400399. The next prime is 3700400447. The reversal of 3700400407 is 7040040073.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3700400407 - 2³ = 3700400399 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 (3700400447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162543 + ... + 183904.

It is an arithmetic number, because the mean of its divisors is an integer number (505121184).

Almost surely, 2^3700400407 is an apocalyptic number.

3700400407 is a deficient number, since it is larger than the sum of its proper divisors (340569065).

3700400407 is a wasteful number, since it uses less digits than its factorization.

3700400407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347429.

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

The square root of 3700400407 is about 60830.9165392073. The cubic root of 3700400407 is about 1546.7361647009.

The spelling of 3700400407 in words is "three billion, seven hundred million, four hundred thousand, four hundred seven".