69012973 has 2 divisors, whose sum is σ = 69012974. Its totient is φ = 69012972.

The previous prime is 69012971. The next prime is 69012991. The reversal of 69012973 is 37921096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69006249 + 6724 = 8307^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 69012973 - 2¹ = 69012971 is a prime.

Together with 69012971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69012971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34506486 + 34506487.

It is an arithmetic number, because the mean of its divisors is an integer number (34506487).

Almost surely, 2^69012973 is an apocalyptic number.

It is an amenable number.

69012973 is a deficient number, since it is larger than the sum of its proper divisors (1).

69012973 is an equidigital number, since it uses as much as digits as its factorization.

69012973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 69012973 is about 8307.4047090532. The cubic root of 69012973 is about 410.1822964873.

The spelling of 69012973 in words is "sixty-nine million, twelve thousand, nine hundred seventy-three".