72364514 has 4 divisors (see below), whose sum is σ = 108546774. Its totient is φ = 36182256.

The previous prime is 72364507. The next prime is 72364517. The reversal of 72364514 is 41546327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41546327 = 457 ⋅90911.

It can be written as a sum of positive squares in only one way, i.e., 71961289 + 403225 = 8483^2 + 635^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72364517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18091127 + ... + 18091130.

Almost surely, 2^72364514 is an apocalyptic number.

72364514 is a deficient number, since it is larger than the sum of its proper divisors (36182260).

72364514 is a wasteful number, since it uses less digits than its factorization.

72364514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36182259.

The product of its digits is 20160, while the sum is 32.

The square root of 72364514 is about 8506.7334506260. The cubic root of 72364514 is about 416.7176384220.

The spelling of 72364514 in words is "seventy-two million, three hundred sixty-four thousand, five hundred fourteen".