67293245 has 4 divisors (see below), whose sum is σ = 80751900. Its totient is φ = 53834592.

The previous prime is 67293229. The next prime is 67293251. The reversal of 67293245 is 54239276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13388281 + 53904964 = 3659^2 + 7342^2 .

It is a cyclic number.

It is not a de Polignac number, because 67293245 - 2⁴ = 67293229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67293199 and 67293208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6729320 + ... + 6729329.

It is an arithmetic number, because the mean of its divisors is an integer number (20187975).

Almost surely, 2^67293245 is an apocalyptic number.

It is an amenable number.

67293245 is a deficient number, since it is larger than the sum of its proper divisors (13458655).

67293245 is a wasteful number, since it uses less digits than its factorization.

67293245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13458654.

The product of its digits is 90720, while the sum is 38.

The square root of 67293245 is about 8203.2460038694. The cubic root of 67293245 is about 406.7464992275.

The spelling of 67293245 in words is "sixty-seven million, two hundred ninety-three thousand, two hundred forty-five".