714629640 has 128 divisors (see below), whose sum is σ = 2193609600. Its totient is φ = 186193920.

The previous prime is 714629633. The next prime is 714629647. The reversal of 714629640 is 46926417.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (714629633) and next prime (714629647).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (714629647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1705351 + ... + 1705769.

It is an arithmetic number, because the mean of its divisors is an integer number (17137575).

Almost surely, 2^714629640 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 714629640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096804800).

714629640 is an abundant number, since it is smaller than the sum of its proper divisors (1478979960).

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

714629640 is a wasteful number, since it uses less digits than its factorization.

714629640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 714629640 is about 26732.5576778579. The cubic root of 714629640 is about 894.0469824014.

The spelling of 714629640 in words is "seven hundred fourteen million, six hundred twenty-nine thousand, six hundred forty".