373420503 has 8 divisors (see below), whose sum is σ = 553215600. Its totient is φ = 248946984.

The previous prime is 373420493. The next prime is 373420511. The reversal of 373420503 is 305024373.

It is not a de Polignac number, because 373420503 - 2⁸ = 373420247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 13830389 = 373420503 / (3 + 7 + 3 + 4 + 2 + 0 + 5 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373420543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6915168 + ... + 6915221.

It is an arithmetic number, because the mean of its divisors is an integer number (69151950).

Almost surely, 2^373420503 is an apocalyptic number.

373420503 is a deficient number, since it is larger than the sum of its proper divisors (179795097).

373420503 is a wasteful number, since it uses less digits than its factorization.

373420503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13830398 (or 13830392 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 373420503 is about 19324.0912593581. The cubic root of 373420503 is about 720.1109030554.

Adding to 373420503 its reverse (305024373), we get a palindrome (678444876).

The spelling of 373420503 in words is "three hundred seventy-three million, four hundred twenty thousand, five hundred three".