713505540 has 144 divisors (see below), whose sum is σ = 2291958144. Its totient is φ = 165411840.

The previous prime is 713505503. The next prime is 713505547. The reversal of 713505540 is 45505317.

It is a super-2 number, since 2×713505540² = 1018180311221383200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 713505498 and 713505507.

It is not an unprimeable number, because it can be changed into a prime (713505547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164844 + ... + 169116.

It is an arithmetic number, because the mean of its divisors is an integer number (15916376).

Almost surely, 2^713505540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 713505540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145979072).

713505540 is an abundant number, since it is smaller than the sum of its proper divisors (1578452604).

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

713505540 is a wasteful number, since it uses less digits than its factorization.

713505540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330 (or 4317 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 713505540 is about 26711.5244791457. The cubic root of 713505540 is about 893.5779629421.

The spelling of 713505540 in words is "seven hundred thirteen million, five hundred five thousand, five hundred forty".