72030470 has 16 divisors (see below), whose sum is σ = 130846320. Its totient is φ = 28547424.

The previous prime is 72030467. The next prime is 72030499. The reversal of 72030470 is 7403027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31952 + ... + 34131.

It is an arithmetic number, because the mean of its divisors is an integer number (8177895).

Almost surely, 2^72030470 is an apocalyptic number.

72030470 is a deficient number, since it is larger than the sum of its proper divisors (58815850).

72030470 is a wasteful number, since it uses less digits than its factorization.

72030470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66199.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 72030470 is about 8487.0766462899. The cubic root of 72030470 is about 416.0754416618.

Adding to 72030470 its reverse (7403027), we get a palindrome (79433497).

The spelling of 72030470 in words is "seventy-two million, thirty thousand, four hundred seventy".