72030743 has 8 divisors (see below), whose sum is σ = 74131200. Its totient is φ = 69954040.

The previous prime is 72030713. The next prime is 72030757. The reversal of 72030743 is 34703027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72030743 - 2¹⁰ = 72029719 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 (72030713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (9266400).

Almost surely, 2^72030743 is an apocalyptic number.

72030743 is a deficient number, since it is larger than the sum of its proper divisors (2100457).

72030743 is a wasteful number, since it uses less digits than its factorization.

72030743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 72030743 is about 8487.0927295512. The cubic root of 72030743 is about 416.0759673118.

The spelling of 72030743 in words is "seventy-two million, thirty thousand, seven hundred forty-three".