972235745 has 16 divisors (see below), whose sum is σ = 1257699072. Its totient is φ = 717232320.

The previous prime is 972235739. The next prime is 972235801. The reversal of 972235745 is 547532279.

It is a happy number.

It is not a de Polignac number, because 972235745 - 2⁸ = 972235489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 972235696 and 972235705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62060 + ... + 76130.

It is an arithmetic number, because the mean of its divisors is an integer number (78606192).

Almost surely, 2^972235745 is an apocalyptic number.

It is an amenable number.

972235745 is a deficient number, since it is larger than the sum of its proper divisors (285463327).

972235745 is a wasteful number, since it uses less digits than its factorization.

972235745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15152.

The product of its digits is 529200, while the sum is 44.

The square root of 972235745 is about 31180.6950692251. The cubic root of 972235745 is about 990.6582518203.

The spelling of 972235745 in words is "nine hundred seventy-two million, two hundred thirty-five thousand, seven hundred forty-five".