72535679 has 2 divisors, whose sum is σ = 72535680. Its totient is φ = 72535678.

The previous prime is 72535643. The next prime is 72535703. The reversal of 72535679 is 97653527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72535679 - 2²⁰ = 71487103 is a prime.

It is a super-2 number, since 2×72535679² = 10522849455982082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72535279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36267839 + 36267840.

It is an arithmetic number, because the mean of its divisors is an integer number (36267840).

Almost surely, 2^72535679 is an apocalyptic number.

72535679 is a deficient number, since it is larger than the sum of its proper divisors (1).

72535679 is an equidigital number, since it uses as much as digits as its factorization.

72535679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 44.

The square root of 72535679 is about 8516.7880682802. The cubic root of 72535679 is about 417.0459361243.

The spelling of 72535679 in words is "seventy-two million, five hundred thirty-five thousand, six hundred seventy-nine".