707340640 has 48 divisors (see below), whose sum is σ = 1725010560. Its totient is φ = 273807360.

The previous prime is 707340637. The next prime is 707340677. The reversal of 707340640 is 46043707.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66345 + ... + 76264.

It is an arithmetic number, because the mean of its divisors is an integer number (35937720).

Almost surely, 2^707340640 is an apocalyptic number.

It is an amenable number.

707340640 is an abundant number, since it is smaller than the sum of its proper divisors (1017669920).

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

707340640 is a wasteful number, since it uses less digits than its factorization.

707340640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142655 (or 142647 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 707340640 is about 26595.8763720995. The cubic root of 707340640 is about 890.9969218622.

The spelling of 707340640 in words is "seven hundred seven million, three hundred forty thousand, six hundred forty".