43402007 has 16 divisors (see below), whose sum is σ = 49040640. Its totient is φ = 38068800.

The previous prime is 43402001. The next prime is 43402013. The reversal of 43402007 is 70020434.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43402001) and next prime (43402013).

It is not a de Polignac number, because 43402007 - 2⁸ = 43401751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43402007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43402001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41582 + ... + 42612.

It is an arithmetic number, because the mean of its divisors is an integer number (3065040).

Almost surely, 2^43402007 is an apocalyptic number.

43402007 is a deficient number, since it is larger than the sum of its proper divisors (5638633).

43402007 is a wasteful number, since it uses less digits than its factorization.

43402007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 43402007 is about 6588.0199605041. The cubic root of 43402007 is about 351.4281968794.

The spelling of 43402007 in words is "forty-three million, four hundred two thousand, seven".