431972007 has 4 divisors (see below), whose sum is σ = 575962680. Its totient is φ = 287981336.

The previous prime is 431971997. The next prime is 431972017. The reversal of 431972007 is 700279134.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (431971997) and next prime (431972017).

It is a cyclic number.

It is not a de Polignac number, because 431972007 - 2¹² = 431967911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431972017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71995332 + ... + 71995337.

It is an arithmetic number, because the mean of its divisors is an integer number (143990670).

Almost surely, 2^431972007 is an apocalyptic number.

431972007 is a deficient number, since it is larger than the sum of its proper divisors (143990673).

431972007 is a wasteful number, since it uses less digits than its factorization.

431972007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143990672.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 431972007 is about 20783.9362729970. The cubic root of 431972007 is about 755.9363013574.

The spelling of 431972007 in words is "four hundred thirty-one million, nine hundred seventy-two thousand, seven".