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373 is a prime number

• 373 can be written using four 4's:

See also 113.
373 has 2 divisors, whose sum is σ = 374. Its totient is φ = 372.

The previous prime is 367. The next prime is 379.

373 is nontrivially palindromic in base 4, base 8, base 9 and base 10.

373 is an esthetic number in base 8 and base 9, because in such bases its adjacent digits differ by 1.

It is a balanced prime because it is at equal distance from previous prime (367) and next prime (379).

It can be written as a sum of positive squares in only one way, i.e., 324 + 49 = 18^2 + 7^2 .

It is a palprime.

373 is a truncatable prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-373 is a prime.

It is a d-powerful number, because it can be written as 34 + 72 + 35 .

373 is an undulating number in base 8, base 9 and base 10.

It is a plaindrome in base 13 and base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186 + 187.

It is an arithmetic number, because the mean of its divisors is an integer number (187).

It is an amenable number.

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

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

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

The product of its digits is 63, while the sum is 13.

The square root of 373 is about 19.3132079158. The cubic root of 373 is about 7.1984049965.

It can be divided in two parts, 37 and 3, that multiplied together give a palindrome (111).

The spelling of 373 in words is "three hundred seventy-three", and thus it is an aban number, an iban number, and an oban number.