67283945 has 16 divisors (see below), whose sum is σ = 83232768. Its totient is φ = 52176960.

The previous prime is 67283899. The next prime is 67283963. The reversal of 67283945 is 54938276.

It is not a de Polignac number, because 67283945 - 2¹⁴ = 67267561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67283896 and 67283905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67400 + ... + 68390.

It is an arithmetic number, because the mean of its divisors is an integer number (5202048).

Almost surely, 2^67283945 is an apocalyptic number.

It is an amenable number.

67283945 is a deficient number, since it is larger than the sum of its proper divisors (15948823).

67283945 is a wasteful number, since it uses less digits than its factorization.

67283945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its digits is 362880, while the sum is 44.

The square root of 67283945 is about 8202.6791355020. The cubic root of 67283945 is about 406.7277607607.

Adding to 67283945 its reverse (54938276), we get a palindrome (122222221).

The spelling of 67283945 in words is "sixty-seven million, two hundred eighty-three thousand, nine hundred forty-five".