972755451 has 24 divisors (see below), whose sum is σ = 1427194080. Its totient is φ = 638332800.

The previous prime is 972755447. The next prime is 972755473. The reversal of 972755451 is 154557279.

972755451 is a `hidden beast` number, since 97 + 2 + 7 + 554 + 5 + 1 = 666.

It is not a de Polignac number, because 972755451 - 2² = 972755447 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 972755397 and 972755406.

It is not an unprimeable number, because it can be changed into a prime (972755401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754015 + ... + 755303.

It is an arithmetic number, because the mean of its divisors is an integer number (59466420).

Almost surely, 2^972755451 is an apocalyptic number.

972755451 is a deficient number, since it is larger than the sum of its proper divisors (454438629).

972755451 is a wasteful number, since it uses less digits than its factorization.

972755451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547 (or 2544 counting only the distinct ones).

The product of its digits is 441000, while the sum is 45.

The square root of 972755451 is about 31189.0277341247. The cubic root of 972755451 is about 990.8347382777.

The spelling of 972755451 in words is "nine hundred seventy-two million, seven hundred fifty-five thousand, four hundred fifty-one".