72865071430 has 16 divisors (see below), whose sum is σ = 135679788720. Its totient is φ = 28140992992.

The previous prime is 72865071427. The next prime is 72865071439. The reversal of 72865071430 is 3417056827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72865071439) 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, 125629144 + ... + 125629723.

It is an arithmetic number, because the mean of its divisors is an integer number (8479986795).

Almost surely, 2^72865071430 is an apocalyptic number.

72865071430 is a deficient number, since it is larger than the sum of its proper divisors (62814717290).

72865071430 is a wasteful number, since it uses less digits than its factorization.

72865071430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251258903.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 72865071430 in words is "seventy-two billion, eight hundred sixty-five million, seventy-one thousand, four hundred thirty".