69972841 has 2 divisors, whose sum is σ = 69972842. Its totient is φ = 69972840.

The previous prime is 69972829. The next prime is 69972863. The reversal of 69972841 is 14827996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57441241 + 12531600 = 7579^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 69972841 - 2⁷ = 69972713 is a prime.

It is a super-2 number, since 2×69972841² = 9792396955222562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69972791 and 69972800.

It is not a weakly prime, because it can be changed into another prime (69972821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34986420 + 34986421.

It is an arithmetic number, because the mean of its divisors is an integer number (34986421).

Almost surely, 2^69972841 is an apocalyptic number.

It is an amenable number.

69972841 is a deficient number, since it is larger than the sum of its proper divisors (1).

69972841 is an equidigital number, since it uses as much as digits as its factorization.

69972841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 69972841 is about 8364.9770471891. The cubic root of 69972841 is about 412.0752230921.

The spelling of 69972841 in words is "sixty-nine million, nine hundred seventy-two thousand, eight hundred forty-one".