7078680 has 144 divisors (see below), whose sum is σ = 26797680. Its totient is φ = 1587456.

The previous prime is 7078667. The next prime is 7078693. The reversal of 7078680 is 868707.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7078667) and next prime (7078693).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 133534 + ... + 133586.

It is an arithmetic number, because the mean of its divisors is an integer number (186095).

Almost surely, 2^7078680 is an apocalyptic number.

7078680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7078680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13398840).

7078680 is an abundant number, since it is smaller than the sum of its proper divisors (19719000).

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

7078680 is a wasteful number, since it uses less digits than its factorization.

7078680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 7078680 is about 2660.5788843784. The cubic root of 7078680 is about 192.0071611912.

The spelling of 7078680 in words is "seven million, seventy-eight thousand, six hundred eighty".