714721440 has 48 divisors (see below), whose sum is σ = 2251374048. Its totient is φ = 190592256.

The previous prime is 714721439. The next prime is 714721477. The reversal of 714721440 is 44127417.

It is a tau number, because it is divible by the number of its divisors (48).

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 = 714721398 and 714721407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744022 + ... + 744981.

It is an arithmetic number, because the mean of its divisors is an integer number (46903626).

Almost surely, 2^714721440 is an apocalyptic number.

It is an amenable number.

714721440 is an abundant number, since it is smaller than the sum of its proper divisors (1536652608).

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

714721440 is a wasteful number, since it uses less digits than its factorization.

714721440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489021 (or 1489013 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 714721440 is about 26734.2746301447. The cubic root of 714721440 is about 894.0852633022.

Adding to 714721440 its reverse (44127417), we get a palindrome (758848857).

The spelling of 714721440 in words is "seven hundred fourteen million, seven hundred twenty-one thousand, four hundred forty".