724630673480 has 128 divisors (see below), whose sum is σ = 1873516296960. Its totient is φ = 247090176000.

The previous prime is 724630673407. The next prime is 724630673491. The reversal of 724630673480 is 84376036427.

It is a super-2 number, since 2×724630673480² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54719660 + ... + 54732900.

It is an arithmetic number, because the mean of its divisors is an integer number (14636846070).

Almost surely, 2^724630673480 is an apocalyptic number.

724630673480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724630673480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936758148480).

724630673480 is an abundant number, since it is smaller than the sum of its proper divisors (1148885623480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

724630673480 is a wasteful number, since it uses less digits than its factorization.

724630673480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14311 (or 14307 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 724630673480 in words is "seven hundred twenty-four billion, six hundred thirty million, six hundred seventy-three thousand, four hundred eighty".