72030628454399 has 4 divisors (see below), whose sum is σ = 72041481350664. Its totient is φ = 72019775558136.

The previous prime is 72030628454347. The next prime is 72030628454417. The reversal of 72030628454399 is 99345482603027.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72030628454399 is a prime.

It is a super-2 number, since 2×72030628454399² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72030628454329) 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, 5426438177 + ... + 5426451450.

It is an arithmetic number, because the mean of its divisors is an integer number (18010370337666).

Almost surely, 2^{72030628454399} is an apocalyptic number.

72030628454399 is a deficient number, since it is larger than the sum of its proper divisors (10852896265).

72030628454399 is a wasteful number, since it uses less digits than its factorization.

72030628454399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10852896264.

The product of its (nonzero) digits is 78382080, while the sum is 62.

The spelling of 72030628454399 in words is "seventy-two trillion, thirty billion, six hundred twenty-eight million, four hundred fifty-four thousand, three hundred ninety-nine".