720967413604 has 9 divisors (see below), whose sum is σ = 1261695945657. Its totient is φ = 360482857704.

The previous prime is 720967413533. The next prime is 720967413643. The reversal of 720967413604 is 406314769027.

The square root of 720967413604 is 849098.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 310804020004 + 410163393600 = 557498^2 + 640440^2 .

It is a super-2 number, since 2×720967413604² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1485922 + ... + 1910470.

Almost surely, 2^720967413604 is an apocalyptic number.

720967413604 is the 849098-th square number.

It is an amenable number.

720967413604 is a deficient number, since it is larger than the sum of its proper divisors (540728532053).

720967413604 is an frugal number, since it uses more digits than its factorization.

720967413604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849102 (or 424551 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 49.

Multiplying 720967413604 by its sum of digits (49), we get a square (35327403266596 = 5943686²).

The spelling of 720967413604 in words is "seven hundred twenty billion, nine hundred sixty-seven million, four hundred thirteen thousand, six hundred four".