401748725 has 24 divisors (see below), whose sum is σ = 570344448. Its totient is φ = 274996800.

The previous prime is 401748707. The next prime is 401748773. The reversal of 401748725 is 527847104.

It is not a de Polignac number, because 401748725 - 2¹⁶ = 401683189 is a prime.

It is a super-2 number, since 2×401748725² = 322804076078251250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116780 + ... + 120170.

It is an arithmetic number, because the mean of its divisors is an integer number (23764352).

Almost surely, 2^401748725 is an apocalyptic number.

It is an amenable number.

401748725 is a deficient number, since it is larger than the sum of its proper divisors (168595723).

401748725 is a wasteful number, since it uses less digits than its factorization.

401748725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 401748725 is about 20043.6704473008. The cubic root of 401748725 is about 737.8784651377.

The spelling of 401748725 in words is "four hundred one million, seven hundred forty-eight thousand, seven hundred twenty-five".