72014897 has 4 divisors (see below), whose sum is σ = 72313956. Its totient is φ = 71715840.

The previous prime is 72014881. The next prime is 72014903. The reversal of 72014897 is 79841027.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33686416 + 38328481 = 5804^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 72014897 - 2⁴ = 72014881 is a prime.

It is a super-2 number, since 2×72014897² = 10372290779841218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72014897.

It is not an unprimeable number, because it can be changed into a prime (72014827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149168 + ... + 149649.

It is an arithmetic number, because the mean of its divisors is an integer number (18078489).

Almost surely, 2^72014897 is an apocalyptic number.

It is an amenable number.

72014897 is a deficient number, since it is larger than the sum of its proper divisors (299059).

72014897 is a wasteful number, since it uses less digits than its factorization.

72014897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299058.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 72014897 is about 8486.1591429810. The cubic root of 72014897 is about 416.0454543065.

The spelling of 72014897 in words is "seventy-two million, fourteen thousand, eight hundred ninety-seven".