712277280 has 384 divisors, whose sum is σ = 2931344640. Its totient is φ = 159252480.

The previous prime is 712277233. The next prime is 712277287. The reversal of 712277280 is 82772217.

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

It is not an unprimeable number, because it can be changed into a prime (712277287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 617184 + ... + 618336.

It is an arithmetic number, because the mean of its divisors is an integer number (7633710).

Almost surely, 2^712277280 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 712277280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465672320).

712277280 is an abundant number, since it is smaller than the sum of its proper divisors (2219067360).

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

712277280 is a wasteful number, since it uses less digits than its factorization.

712277280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 712277280 is about 26688.5233761630. The cubic root of 712277280 is about 893.0649202263.

The spelling of 712277280 in words is "seven hundred twelve million, two hundred seventy-seven thousand, two hundred eighty".