6949730520 has 384 divisors, whose sum is σ = 24296500800. Its totient is φ = 1719631872.

The previous prime is 6949730503. The next prime is 6949730533. The reversal of 6949730520 is 250379496.

It is a happy number.

6949730520 is a `hidden beast` number, since 6 + 9 + 4 + 97 + 30 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50727892 + ... + 50728028.

Almost surely, 2^6949730520 is an apocalyptic number.

6949730520 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 6949730520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12148250400).

6949730520 is an abundant number, since it is smaller than the sum of its proper divisors (17346770280).

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

6949730520 is a wasteful number, since it uses less digits than its factorization.

6949730520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 6949730520 is about 83365.0437533622. The cubic root of 6949730520 is about 1908.3410318248.

The spelling of 6949730520 in words is "six billion, nine hundred forty-nine million, seven hundred thirty thousand, five hundred twenty".