72000603 has 36 divisors (see below), whose sum is σ = 113099560. Its totient is φ = 45266760.

The previous prime is 72000601. The next prime is 72000611. The reversal of 72000603 is 30600027.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 72000603 - 2¹ = 72000601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72000601) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1014058 + ... + 1014128.

Almost surely, 2^72000603 is an apocalyptic number.

72000603 is a deficient number, since it is larger than the sum of its proper divisors (41098957).

72000603 is an equidigital number, since it uses as much as digits as its factorization.

72000603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 72000603 is about 8485.3169062799. The cubic root of 72000603 is about 416.0179259873.

The spelling of 72000603 in words is "seventy-two million, six hundred three", and thus it is an aban number.