72934069 has 4 divisors (see below), whose sum is σ = 78544396. Its totient is φ = 67323744.

The previous prime is 72934021. The next prime is 72934091. The reversal of 72934069 is 96043927.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29571844 + 43362225 = 5438^2 + 6585^2 .

It is a cyclic number.

It is not a de Polignac number, because 72934069 - 2¹¹ = 72932021 is a prime.

It is a super-2 number, since 2×72934069² = 10638756841793522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72934469) 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 in 3 ways as a sum of consecutive naturals, for example, 2805144 + ... + 2805169.

It is an arithmetic number, because the mean of its divisors is an integer number (19636099).

Almost surely, 2^72934069 is an apocalyptic number.

It is an amenable number.

72934069 is a deficient number, since it is larger than the sum of its proper divisors (5610327).

72934069 is a wasteful number, since it uses less digits than its factorization.

72934069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610326.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 72934069 is about 8540.1445538117. The cubic root of 72934069 is about 417.8080607298.

The spelling of 72934069 in words is "seventy-two million, nine hundred thirty-four thousand, sixty-nine".