73408331 has 8 divisors (see below), whose sum is σ = 74817600. Its totient is φ = 72004680.

The previous prime is 73408319. The next prime is 73408337. The reversal of 73408331 is 13380437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73408331 - 2¹⁰ = 73407307 is a prime.

It is a super-2 number, since 2×73408331² = 10777566120411122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73408294 and 73408303.

It is not an unprimeable number, because it can be changed into a prime (73408337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32600 + ... + 34778.

It is an arithmetic number, because the mean of its divisors is an integer number (9352200).

Almost surely, 2^73408331 is an apocalyptic number.

73408331 is a deficient number, since it is larger than the sum of its proper divisors (1409269).

73408331 is a wasteful number, since it uses less digits than its factorization.

73408331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 73408331 is about 8567.8661870970. The cubic root of 73408331 is about 418.7117194976.

Adding to 73408331 its reverse (13380437), we get a palindrome (86788768).

The spelling of 73408331 in words is "seventy-three million, four hundred eight thousand, three hundred thirty-one".