36421725 has 24 divisors (see below), whose sum is σ = 60572512. Its totient is φ = 19310400.

The previous prime is 36421699. The next prime is 36421729. The reversal of 36421725 is 52712463.

It is not a de Polignac number, because 36421725 - 2⁶ = 36421661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36421692 and 36421701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36421729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12234 + ... + 14916.

Almost surely, 2^36421725 is an apocalyptic number.

It is an amenable number.

36421725 is a deficient number, since it is larger than the sum of its proper divisors (24150787).

36421725 is a wasteful number, since it uses less digits than its factorization.

36421725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877 (or 2872 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 36421725 is about 6035.0414248785. The cubic root of 36421725 is about 331.4770793741.

The spelling of 36421725 in words is "thirty-six million, four hundred twenty-one thousand, seven hundred twenty-five".