72567403 has 4 divisors (see below), whose sum is σ = 76386760. Its totient is φ = 68748048.

The previous prime is 72567401. The next prime is 72567409. The reversal of 72567403 is 30476527.

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 72567403 - 2¹ = 72567401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72567401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909650 + ... + 1909687.

It is an arithmetic number, because the mean of its divisors is an integer number (19096690).

Almost surely, 2^72567403 is an apocalyptic number.

72567403 is a deficient number, since it is larger than the sum of its proper divisors (3819357).

72567403 is a wasteful number, since it uses less digits than its factorization.

72567403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819356.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 72567403 is about 8518.6503038920. The cubic root of 72567403 is about 417.1067266076.

The spelling of 72567403 in words is "seventy-two million, five hundred sixty-seven thousand, four hundred three".