401572712 has 16 divisors (see below), whose sum is σ = 759987360. Its totient is φ = 198909424.

The previous prime is 401572687. The next prime is 401572723. The reversal of 401572712 is 217275104.

It is a super-2 number, since 2×401572712² = 322521286046069888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233708 + ... + 235419.

It is an arithmetic number, because the mean of its divisors is an integer number (47499210).

Almost surely, 2^401572712 is an apocalyptic number.

It is an amenable number.

401572712 is a deficient number, since it is larger than the sum of its proper divisors (358414648).

401572712 is a wasteful number, since it uses less digits than its factorization.

401572712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469240 (or 469236 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 401572712 is about 20039.2792285551. The cubic root of 401572712 is about 737.7706903307.

The spelling of 401572712 in words is "four hundred one million, five hundred seventy-two thousand, seven hundred twelve".