72461603 has 2 divisors, whose sum is σ = 72461604. Its totient is φ = 72461602.

The previous prime is 72461593. The next prime is 72461621. The reversal of 72461603 is 30616427.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72461603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72461203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36230801 + 36230802.

It is an arithmetic number, because the mean of its divisors is an integer number (36230802).

Almost surely, 2^72461603 is an apocalyptic number.

72461603 is a deficient number, since it is larger than the sum of its proper divisors (1).

72461603 is an equidigital number, since it uses as much as digits as its factorization.

72461603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 72461603 is about 8512.4381348706. The cubic root of 72461603 is about 416.9039204177.

The spelling of 72461603 in words is "seventy-two million, four hundred sixty-one thousand, six hundred three".