3973725 has 72 divisors (see below), whose sum is σ = 8640320. Its totient is φ = 1753920.

The previous prime is 3973691. The next prime is 3973727. The reversal of 3973725 is 5273793.

It is a happy number.

It is not a de Polignac number, because 3973725 - 2⁶ = 3973661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3973725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973727) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 137011 + ... + 137039.

Almost surely, 2^3973725 is an apocalyptic number.

3973725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3973725 is an abundant number, since it is smaller than the sum of its proper divisors (4666595).

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

3973725 is a wasteful number, since it uses less digits than its factorization.

3973725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 44 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 3973725 is about 1993.4204273058. The cubic root of 3973725 is about 158.3917666749.

The spelling of 3973725 in words is "three million, nine hundred seventy-three thousand, seven hundred twenty-five".