6922740 has 96 divisors (see below), whose sum is σ = 22425984. Its totient is φ = 1576960.

The previous prime is 6922739. The next prime is 6922759. The reversal of 6922740 is 472296.

It is a happy number.

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 = 6922698 and 6922707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10912 + ... + 11528.

It is an arithmetic number, because the mean of its divisors is an integer number (233604).

Almost surely, 2^6922740 is an apocalyptic number.

6922740 is a gapful number since it is divisible by the number (60) 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 6922740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11212992).

6922740 is an abundant number, since it is smaller than the sum of its proper divisors (15503244).

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

6922740 is a wasteful number, since it uses less digits than its factorization.

6922740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 6922740 is about 2631.1100319067. The cubic root of 6922740 is about 190.5867365644.

The spelling of 6922740 in words is "six million, nine hundred twenty-two thousand, seven hundred forty".