72076603 has 4 divisors (see below), whose sum is σ = 72097560. Its totient is φ = 72055648.

The previous prime is 72076601. The next prime is 72076621. The reversal of 72076603 is 30667027.

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 72076603 - 2¹ = 72076601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72076601) 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, 3973 + ... + 12646.

It is an arithmetic number, because the mean of its divisors is an integer number (18024390).

Almost surely, 2^72076603 is an apocalyptic number.

72076603 is a deficient number, since it is larger than the sum of its proper divisors (20957).

72076603 is a wasteful number, since it uses less digits than its factorization.

72076603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20956.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 72076603 is about 8489.7940493277. The cubic root of 72076603 is about 416.1642499672.

The spelling of 72076603 in words is "seventy-two million, seventy-six thousand, six hundred three".