731672001 has 32 divisors (see below), whose sum is σ = 1124323200. Its totient is φ = 469707840.

The previous prime is 731671999. The next prime is 731672063. The reversal of 731672001 is 100276137.

It is not a de Polignac number, because 731672001 - 2¹ = 731671999 is a prime.

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 (731672701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359950 + ... + 361976.

It is an arithmetic number, because the mean of its divisors is an integer number (35135100).

Almost surely, 2^731672001 is an apocalyptic number.

It is an amenable number.

731672001 is a deficient number, since it is larger than the sum of its proper divisors (392651199).

731672001 is a wasteful number, since it uses less digits than its factorization.

731672001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526 (or 2520 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 731672001 is about 27049.4362418147. The cubic root of 731672001 is about 901.0982481781.

The spelling of 731672001 in words is "seven hundred thirty-one million, six hundred seventy-two thousand, one".