34401973 has 2 divisors, whose sum is σ = 34401974. Its totient is φ = 34401972.

The previous prime is 34401967. The next prime is 34402001. The reversal of 34401973 is 37910443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25020004 + 9381969 = 5002^2 + 3063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34401973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34401943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17200986 + 17200987.

It is an arithmetic number, because the mean of its divisors is an integer number (17200987).

Almost surely, 2^34401973 is an apocalyptic number.

It is an amenable number.

34401973 is a deficient number, since it is larger than the sum of its proper divisors (1).

34401973 is an equidigital number, since it uses as much as digits as its factorization.

34401973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 34401973 is about 5865.3195138884. The cubic root of 34401973 is about 325.2328839710.

The spelling of 34401973 in words is "thirty-four million, four hundred one thousand, nine hundred seventy-three".