72934669 has 4 divisors (see below), whose sum is σ = 72959580. Its totient is φ = 72909760.

The previous prime is 72934657. The next prime is 72934691. The reversal of 72934669 is 96643927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96643927 = 373 ⋅259099.

It can be written as a sum of positive squares in 2 ways, for example, as 57957769 + 14976900 = 7613^2 + 3870^2 .

It is a cyclic number.

It is not a de Polignac number, because 72934669 - 2¹⁷ = 72803597 is a prime.

It is a super-2 number, since 2×72934669² = 10638931884279122, 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372 + ... + 14149.

It is an arithmetic number, because the mean of its divisors is an integer number (18239895).

Almost surely, 2^72934669 is an apocalyptic number.

It is an amenable number.

72934669 is a deficient number, since it is larger than the sum of its proper divisors (24911).

72934669 is a wasteful number, since it uses less digits than its factorization.

72934669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24910.

The product of its digits is 489888, while the sum is 46.

The square root of 72934669 is about 8540.1796819505. The cubic root of 72934669 is about 417.8092064410.

The spelling of 72934669 in words is "seventy-two million, nine hundred thirty-four thousand, six hundred sixty-nine".