711970740 has 216 divisors, whose sum is σ = 2397051384. Its totient is φ = 170035200.

The previous prime is 711970733. The next prime is 711970789. The reversal of 711970740 is 47079117.

It can be written as a sum of positive squares in 12 ways, for example, as 711929124 + 41616 = 26682^2 + 204^2 .

It is a super-2 number, since 2×711970740² = 1013804669232295200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 711970695 and 711970704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3933450 + ... + 3933630.

Almost surely, 2^711970740 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 711970740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1198525692).

711970740 is an abundant number, since it is smaller than the sum of its proper divisors (1685080644).

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

711970740 is a wasteful number, since it uses less digits than its factorization.

711970740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 711970740 is about 26682.7798401891. The cubic root of 711970740 is about 892.9367868855.

The spelling of 711970740 in words is "seven hundred eleven million, nine hundred seventy thousand, seven hundred forty".