72897355 has 8 divisors (see below), whose sum is σ = 87595200. Its totient is φ = 58238976.

The previous prime is 72897287. The next prime is 72897361. The reversal of 72897355 is 55379827.

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 72897355 - 2¹⁷ = 72766283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5635 + ... + 13324.

It is an arithmetic number, because the mean of its divisors is an integer number (10949400).

Almost surely, 2^72897355 is an apocalyptic number.

72897355 is a deficient number, since it is larger than the sum of its proper divisors (14697845).

72897355 is a wasteful number, since it uses less digits than its factorization.

72897355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19733.

The product of its digits is 529200, while the sum is 46.

The square root of 72897355 is about 8537.9947880050. The cubic root of 72897355 is about 417.7379426997.

It can be divided in two parts, 728973 and 55, that added together give a triangular number (729028 = T₁₂₀₇).

The spelling of 72897355 in words is "seventy-two million, eight hundred ninety-seven thousand, three hundred fifty-five".