68472489 has 8 divisors (see below), whose sum is σ = 91340640. Its totient is φ = 45626336.

The previous prime is 68472487. The next prime is 68472493. The reversal of 68472489 is 98427486.

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 68472489 - 2¹ = 68472487 is a prime.

It is a super-4 number, since 4×68472489⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (68472487) 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, 4222 + ... + 12440.

It is an arithmetic number, because the mean of its divisors is an integer number (11417580).

Almost surely, 2^68472489 is an apocalyptic number.

It is an amenable number.

68472489 is a deficient number, since it is larger than the sum of its proper divisors (22868151).

68472489 is a wasteful number, since it uses less digits than its factorization.

68472489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10999.

The product of its digits is 774144, while the sum is 48.

The square root of 68472489 is about 8274.8105114256. The cubic root of 68472489 is about 409.1086903741.

The spelling of 68472489 in words is "sixty-eight million, four hundred seventy-two thousand, four hundred eighty-nine".