714978 has 48 divisors (see below), whose sum is σ = 1774656. Its totient is φ = 205920.

The previous prime is 714971. The next prime is 714991. The reversal of 714978 is 879417.

714978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×714978² = 1022387080968, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7³ + 1 + 9⁶ + 4⁸ + 7⁶ + 8 .

Its product of digits (14112) is a multiple of the sum of its prime divisors (196).

It is not an unprimeable number, because it can be changed into a prime (714971) by changing a digit.

714978 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4476 + ... + 4632.

It is an arithmetic number, because the mean of its divisors is an integer number (36972).

2⁷¹⁴⁹⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 714978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887328).

714978 is an abundant number, since it is smaller than the sum of its proper divisors (1059678).

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

714978 is a wasteful number, since it uses less digits than its factorization.

714978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 196 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 714978 is about 845.5637172916. The cubic root of 714978 is about 89.4192232284.

It can be divided in two parts, 7149 and 78, that added together give a palindrome (7227).

The spelling of 714978 in words is "seven hundred fourteen thousand, nine hundred seventy-eight".