972667903 has 4 divisors (see below), whose sum is σ = 1029883680. Its totient is φ = 915452128.

The previous prime is 972667897. The next prime is 972667933. The reversal of 972667903 is 309766279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309766279 = 271 ⋅1143049.

It is a cyclic number.

It is not a de Polignac number, because 972667903 - 2⁹ = 972667391 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972667933) 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, 28607863 + ... + 28607896.

It is an arithmetic number, because the mean of its divisors is an integer number (257470920).

Almost surely, 2^972667903 is an apocalyptic number.

972667903 is a deficient number, since it is larger than the sum of its proper divisors (57215777).

972667903 is a wasteful number, since it uses less digits than its factorization.

972667903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57215776.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 972667903 is about 31187.6241961455. The cubic root of 972667903 is about 990.8050123406.

The spelling of 972667903 in words is "nine hundred seventy-two million, six hundred sixty-seven thousand, nine hundred three".