972729207 has 12 divisors (see below), whose sum is σ = 1421982744. Its totient is φ = 640672560.

The previous prime is 972729157. The next prime is 972729209. The reversal of 972729207 is 702927279.

It is not a de Polignac number, because 972729207 - 2⁸ = 972728951 is a prime.

It is a super-2 number, since 2×972729207² = 1892404220301697698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972729209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650344 + ... + 651837.

It is an arithmetic number, because the mean of its divisors is an integer number (118498562).

Almost surely, 2^972729207 is an apocalyptic number.

972729207 is a deficient number, since it is larger than the sum of its proper divisors (449253537).

972729207 is a wasteful number, since it uses less digits than its factorization.

972729207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302270 (or 1302267 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 972729207 is about 31188.6070064054. The cubic root of 972729207 is about 990.8258276104.

The spelling of 972729207 in words is "nine hundred seventy-two million, seven hundred twenty-nine thousand, two hundred seven".