72601103 has 4 divisors (see below), whose sum is σ = 72857928. Its totient is φ = 72344280.

The previous prime is 72601099. The next prime is 72601153. The reversal of 72601103 is 30110627.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72601103 - 2² = 72601099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72601153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127988 + ... + 128553.

It is an arithmetic number, because the mean of its divisors is an integer number (18214482).

Almost surely, 2^72601103 is an apocalyptic number.

72601103 is a deficient number, since it is larger than the sum of its proper divisors (256825).

72601103 is a wasteful number, since it uses less digits than its factorization.

72601103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256824.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 72601103 is about 8520.6280871776. The cubic root of 72601103 is about 417.1712841579.

The spelling of 72601103 in words is "seventy-two million, six hundred one thousand, one hundred three".