72825679 has 2 divisors, whose sum is σ = 72825680. Its totient is φ = 72825678.

The previous prime is 72825677. The next prime is 72825691. The reversal of 72825679 is 97652827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72825679 - 2¹ = 72825677 is a prime.

It is a super-2 number, since 2×72825679² = 10607159043622082, which contains 22 as substring.

Together with 72825677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72825677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36412839 + 36412840.

It is an arithmetic number, because the mean of its divisors is an integer number (36412840).

Almost surely, 2^72825679 is an apocalyptic number.

72825679 is a deficient number, since it is larger than the sum of its proper divisors (1).

72825679 is an equidigital number, since it uses as much as digits as its factorization.

72825679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 72825679 is about 8533.7962830150. The cubic root of 72825679 is about 417.6009848109.

The spelling of 72825679 in words is "seventy-two million, eight hundred twenty-five thousand, six hundred seventy-nine".