72988703 has 4 divisors (see below), whose sum is σ = 73014048. Its totient is φ = 72963360.

The previous prime is 72988691. The next prime is 72988763. The reversal of 72988703 is 30788927.

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 72988703 - 2⁴ = 72988687 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 (72988763) 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, 7703 + ... + 14328.

It is an arithmetic number, because the mean of its divisors is an integer number (18253512).

Almost surely, 2^72988703 is an apocalyptic number.

72988703 is a deficient number, since it is larger than the sum of its proper divisors (25345).

72988703 is a wasteful number, since it uses less digits than its factorization.

72988703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25344.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 72988703 is about 8543.3426128185. The cubic root of 72988703 is about 417.9123596241.

The spelling of 72988703 in words is "seventy-two million, nine hundred eighty-eight thousand, seven hundred three".