72934969 has 2 divisors, whose sum is σ = 72934970. Its totient is φ = 72934968.

The previous prime is 72934921. The next prime is 72934973. The reversal of 72934969 is 96943927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72590400 + 344569 = 8520^2 + 587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72934969 is a prime.

It is a super-2 number, since 2×72934969² = 10639019406061922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72934919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36467484 + 36467485.

It is an arithmetic number, because the mean of its divisors is an integer number (36467485).

Almost surely, 2^72934969 is an apocalyptic number.

It is an amenable number.

72934969 is a deficient number, since it is larger than the sum of its proper divisors (1).

72934969 is an equidigital number, since it uses as much as digits as its factorization.

72934969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 49.

The square root of 72934969 is about 8540.1972459657. The cubic root of 72934969 is about 417.8097792943.

It can be divided in two parts, 729 and 34969, that multiplied together give a square (25492401 = 5049²).

The spelling of 72934969 in words is "seventy-two million, nine hundred thirty-four thousand, nine hundred sixty-nine".