3402072 has 24 divisors (see below), whose sum is σ = 9214140. Its totient is φ = 1134000.

The previous prime is 3402071. The next prime is 3402079. The reversal of 3402072 is 2702043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23554 + ... + 23697.

Almost surely, 2^3402072 is an apocalyptic number.

It is an amenable number.

3402072 is an abundant number, since it is smaller than the sum of its proper divisors (5812068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3402072 is a wasteful number, since it uses less digits than its factorization.

3402072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47263 (or 47256 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 3402072 is about 1844.4706557709. The cubic root of 3402072 is about 150.3999990569.

The spelling of 3402072 in words is "three million, four hundred two thousand, seventy-two".