72930369 has 4 divisors (see below), whose sum is σ = 97240496. Its totient is φ = 48620244.

The previous prime is 72930343. The next prime is 72930373. The reversal of 72930369 is 96303927.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72930369 - 2²⁰ = 71881793 is a prime.

It is a super-2 number, since 2×72930369² = 10637677444952322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72930329) 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, 12155059 + ... + 12155064.

It is an arithmetic number, because the mean of its divisors is an integer number (24310124).

Almost surely, 2^72930369 is an apocalyptic number.

It is an amenable number.

72930369 is a deficient number, since it is larger than the sum of its proper divisors (24310127).

72930369 is a wasteful number, since it uses less digits than its factorization.

72930369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24310126.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 72930369 is about 8539.9279270963. The cubic root of 72930369 is about 417.8009953716.

The spelling of 72930369 in words is "seventy-two million, nine hundred thirty thousand, three hundred sixty-nine".