97972454 has 16 divisors (see below), whose sum is σ = 148428528. Its totient is φ = 48498912.

The previous prime is 97972451. The next prime is 97972463. The reversal of 97972454 is 45427979.

It is a junction number, because it is equal to n+sod(n) for n = 97972399 and 97972408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97972451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129044 + ... + 129800.

It is an arithmetic number, because the mean of its divisors is an integer number (9276783).

Almost surely, 2^97972454 is an apocalyptic number.

97972454 is a deficient number, since it is larger than the sum of its proper divisors (50456074).

97972454 is a wasteful number, since it uses less digits than its factorization.

97972454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319.

The product of its digits is 635040, while the sum is 47.

The square root of 97972454 is about 9898.1035557323. The cubic root of 97972454 is about 461.0004281926. Note that the first 3 decimals are identical.

The spelling of 97972454 in words is "ninety-seven million, nine hundred seventy-two thousand, four hundred fifty-four".