72465103 has 4 divisors (see below), whose sum is σ = 72734760. Its totient is φ = 72195448.

The previous prime is 72465091. The next prime is 72465109. The reversal of 72465103 is 30156427.

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 72465103 - 2²¹ = 70367951 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 (72465109) 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, 134425 + ... + 134962.

It is an arithmetic number, because the mean of its divisors is an integer number (18183690).

Almost surely, 2^72465103 is an apocalyptic number.

72465103 is a deficient number, since it is larger than the sum of its proper divisors (269657).

72465103 is a wasteful number, since it uses less digits than its factorization.

72465103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269656.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72465103 is about 8512.6437139117. The cubic root of 72465103 is about 416.9106326633.

The spelling of 72465103 in words is "seventy-two million, four hundred sixty-five thousand, one hundred three".