401725602 has 32 divisors (see below), whose sum is σ = 893626560. Its totient is φ = 133773120.

The previous prime is 401725601. The next prime is 401725633. The reversal of 401725602 is 206527104.

401725602 is a `hidden beast` number, since 40 + 17 + 2 + 5 + 602 = 666.

It is a super-2 number, since 2×401725602² = 322766918604524808, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (401725601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60058 + ... + 66410.

It is an arithmetic number, because the mean of its divisors is an integer number (27925830).

Almost surely, 2^401725602 is an apocalyptic number.

401725602 is an abundant number, since it is smaller than the sum of its proper divisors (491900958).

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

401725602 is a wasteful number, since it uses less digits than its factorization.

401725602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535 (or 7529 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 401725602 is about 20043.0936234904. The cubic root of 401725602 is about 737.8643084522.

The spelling of 401725602 in words is "four hundred one million, seven hundred twenty-five thousand, six hundred two".