72354297 has 8 divisors (see below), whose sum is σ = 100666944. Its totient is φ = 46138928.

The previous prime is 72354281. The next prime is 72354311. The reversal of 72354297 is 79245327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72354297 - 2⁴ = 72354281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72354097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524238 + ... + 524375.

It is an arithmetic number, because the mean of its divisors is an integer number (12583368).

Almost surely, 2^72354297 is an apocalyptic number.

It is an amenable number.

72354297 is a deficient number, since it is larger than the sum of its proper divisors (28312647).

72354297 is a wasteful number, since it uses less digits than its factorization.

72354297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048639.

The product of its digits is 105840, while the sum is 39.

The square root of 72354297 is about 8506.1329051456. The cubic root of 72354297 is about 416.6980256576.

The spelling of 72354297 in words is "seventy-two million, three hundred fifty-four thousand, two hundred ninety-seven".