724061328740 has 48 divisors (see below), whose sum is σ = 1525949454960. Its totient is φ = 288592711680.

The previous prime is 724061328733. The next prime is 724061328763. The reversal of 724061328740 is 47823160427.

It can be written as a sum of positive squares in 8 ways, for example, as 145159476004 + 578901852736 = 380998^2 + 760856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 724061328691 and 724061328700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18190460 + ... + 18230220.

It is an arithmetic number, because the mean of its divisors is an integer number (31790613645).

Almost surely, 2^724061328740 is an apocalyptic number.

It is an amenable number.

724061328740 is an abundant number, since it is smaller than the sum of its proper divisors (801888126220).

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

724061328740 is a wasteful number, since it uses less digits than its factorization.

724061328740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42992 (or 42990 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 724061328740 in words is "seven hundred twenty-four billion, sixty-one million, three hundred twenty-eight thousand, seven hundred forty".