73870697 has 2 divisors, whose sum is σ = 73870698. Its totient is φ = 73870696.

The previous prime is 73870691. The next prime is 73870723. The reversal of 73870697 is 79607837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68376361 + 5494336 = 8269^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 73870697 - 2⁶ = 73870633 is a prime.

It is not a weakly prime, because it can be changed into another prime (73870691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36935348 + 36935349.

It is an arithmetic number, because the mean of its divisors is an integer number (36935349).

Almost surely, 2^73870697 is an apocalyptic number.

It is an amenable number.

73870697 is a deficient number, since it is larger than the sum of its proper divisors (1).

73870697 is an equidigital number, since it uses as much as digits as its factorization.

73870697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 73870697 is about 8594.8063968888. The cubic root of 73870697 is about 419.5889724120.

The spelling of 73870697 in words is "seventy-three million, eight hundred seventy thousand, six hundred ninety-seven".