73964980571 has 2 divisors, whose sum is σ = 73964980572. Its totient is φ = 73964980570.

The previous prime is 73964980541. The next prime is 73964980603. The reversal of 73964980571 is 17508946937.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73964980571 - 2²² = 73960786267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73964980571.

It is not a weakly prime, because it can be changed into another prime (73964980541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36982490285 + 36982490286.

It is an arithmetic number, because the mean of its divisors is an integer number (36982490286).

Almost surely, 2^73964980571 is an apocalyptic number.

73964980571 is a deficient number, since it is larger than the sum of its proper divisors (1).

73964980571 is an equidigital number, since it uses as much as digits as its factorization.

73964980571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 73964980571 in words is "seventy-three billion, nine hundred sixty-four million, nine hundred eighty thousand, five hundred seventy-one".