6901932420 has 72 divisors (see below), whose sum is σ = 21330907416. Its totient is φ = 1805786112.

The previous prime is 6901932409. The next prime is 6901932431. The reversal of 6901932420 is 242391096.

It is an interprime number because it is at equal distance from previous prime (6901932409) and next prime (6901932431).

It can be written as a sum of positive squares in 4 ways, for example, as 2364293376 + 4537639044 = 48624^2 + 67362^2 .

It is a super-2 number, since 2×6901932420² = 95273342260494112800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352197 + ... + 371276.

It is an arithmetic number, because the mean of its divisors is an integer number (296262603).

Almost surely, 2^6901932420 is an apocalyptic number.

6901932420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6901932420 is an abundant number, since it is smaller than the sum of its proper divisors (14428974996).

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

6901932420 is a wasteful number, since it uses less digits than its factorization.

6901932420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723541 (or 723536 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 6901932420 is about 83077.8696164027. The cubic root of 6901932420 is about 1903.9559699732.

The spelling of 6901932420 in words is "six billion, nine hundred one million, nine hundred thirty-two thousand, four hundred twenty".