721012530470 has 16 divisors (see below), whose sum is σ = 1354249622880. Its totient is φ = 275865663744.

The previous prime is 721012530449. The next prime is 721012530503. The reversal of 721012530470 is 74035210127.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567418315 + ... + 1567418774.

It is an arithmetic number, because the mean of its divisors is an integer number (84640601430).

Almost surely, 2^721012530470 is an apocalyptic number.

721012530470 is a deficient number, since it is larger than the sum of its proper divisors (633237092410).

721012530470 is a wasteful number, since it uses less digits than its factorization.

721012530470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134837119.

The product of its (nonzero) digits is 11760, while the sum is 32.

Adding to 721012530470 its reverse (74035210127), we get a palindrome (795047740597).

The spelling of 721012530470 in words is "seven hundred twenty-one billion, twelve million, five hundred thirty thousand, four hundred seventy".