72714550547 has 2 divisors, whose sum is σ = 72714550548. Its totient is φ = 72714550546.

The previous prime is 72714550511. The next prime is 72714550561. The reversal of 72714550547 is 74505541727.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72714550547 is a prime.

It is a super-2 number, since 2×72714550547² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72714550507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36357275273 + 36357275274.

It is an arithmetic number, because the mean of its divisors is an integer number (36357275274).

Almost surely, 2^72714550547 is an apocalyptic number.

72714550547 is a deficient number, since it is larger than the sum of its proper divisors (1).

72714550547 is an equidigital number, since it uses as much as digits as its factorization.

72714550547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372000, while the sum is 47.

The spelling of 72714550547 in words is "seventy-two billion, seven hundred fourteen million, five hundred fifty thousand, five hundred forty-seven".