72742067 has 2 divisors, whose sum is σ = 72742068. Its totient is φ = 72742066.

The previous prime is 72742057. The next prime is 72742147. The reversal of 72742067 is 76024727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72742067 - 2⁶ = 72742003 is a prime.

It is a super-2 number, since 2×72742067² = 10582816622864978, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72742057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36371033 + 36371034.

It is an arithmetic number, because the mean of its divisors is an integer number (36371034).

Almost surely, 2^72742067 is an apocalyptic number.

72742067 is a deficient number, since it is larger than the sum of its proper divisors (1).

72742067 is an equidigital number, since it uses as much as digits as its factorization.

72742067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 72742067 is about 8528.8960012419. The cubic root of 72742067 is about 417.4411061105.

The spelling of 72742067 in words is "seventy-two million, seven hundred forty-two thousand, sixty-seven".