373531073 has 2 divisors, whose sum is σ = 373531074. Its totient is φ = 373531072.

The previous prime is 373531069. The next prime is 373531079. The reversal of 373531073 is 370135373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347897104 + 25633969 = 18652^2 + 5063^2 .

It is a cyclic number.

It is not a de Polignac number, because 373531073 - 2² = 373531069 is a prime.

It is not a weakly prime, because it can be changed into another prime (373531079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186765536 + 186765537.

It is an arithmetic number, because the mean of its divisors is an integer number (186765537).

Almost surely, 2^373531073 is an apocalyptic number.

It is an amenable number.

373531073 is a deficient number, since it is larger than the sum of its proper divisors (1).

373531073 is an equidigital number, since it uses as much as digits as its factorization.

373531073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 32.

The square root of 373531073 is about 19326.9519842111. The cubic root of 373531073 is about 720.1819711091.

The spelling of 373531073 in words is "three hundred seventy-three million, five hundred thirty-one thousand, seventy-three".