68472385 has 8 divisors (see below), whose sum is σ = 84387816. Its totient is φ = 53297280.

The previous prime is 68472377. The next prime is 68472401. The reversal of 68472385 is 58327486.

It can be written as a sum of positive squares in 4 ways, for example, as 37736449 + 30735936 = 6143^2 + 5544^2 .

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

It is not a de Polignac number, because 68472385 - 2³ = 68472377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184876 + ... + 185245.

It is an arithmetic number, because the mean of its divisors is an integer number (10548477).

Almost surely, 2^68472385 is an apocalyptic number.

It is an amenable number.

68472385 is a deficient number, since it is larger than the sum of its proper divisors (15915431).

68472385 is a wasteful number, since it uses less digits than its factorization.

68472385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370163.

The product of its digits is 322560, while the sum is 43.

The square root of 68472385 is about 8274.8042272914. The cubic root of 68472385 is about 409.1084832480.

The spelling of 68472385 in words is "sixty-eight million, four hundred seventy-two thousand, three hundred eighty-five".