6901632 has 64 divisors (see below), whose sum is σ = 20379600. Its totient is φ = 2299392.

The previous prime is 6901613. The next prime is 6901637. The reversal of 6901632 is 2361096.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6901596 and 6901605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6901637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2458 + ... + 4454.

Almost surely, 2^6901632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6901632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10189800).

6901632 is an abundant number, since it is smaller than the sum of its proper divisors (13477968).

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

6901632 is a wasteful number, since it uses less digits than its factorization.

6901632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 6901632 is about 2627.0957348372. The cubic root of 6901632 is about 190.3928345113.

The spelling of 6901632 in words is "six million, nine hundred one thousand, six hundred thirty-two".