451202072 has 8 divisors (see below), whose sum is σ = 846003900. Its totient is φ = 225601032.

The previous prime is 451202071. The next prime is 451202077. The reversal of 451202072 is 270202154.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451202071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28200122 + ... + 28200137.

Almost surely, 2^451202072 is an apocalyptic number.

It is an amenable number.

451202072 is a deficient number, since it is larger than the sum of its proper divisors (394801828).

451202072 is a wasteful number, since it uses less digits than its factorization.

451202072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56400265 (or 56400261 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 451202072 is about 21241.5176482284. The cubic root of 451202072 is about 766.9911658048.

The spelling of 451202072 in words is "four hundred fifty-one million, two hundred two thousand, seventy-two".