67070370397 has 4 divisors (see below), whose sum is σ = 69383141820. Its totient is φ = 64757598976.

The previous prime is 67070370383. The next prime is 67070370407. The reversal of 67070370397 is 79307307076.

It is a happy number.

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 18632523001 + 48437847396 = 136501^2 + 220086^2 .

It is a cyclic number.

It is not a de Polignac number, because 67070370397 - 2¹⁵ = 67070337629 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67070370397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67070370347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156385668 + ... + 1156385725.

It is an arithmetic number, because the mean of its divisors is an integer number (17345785455).

Almost surely, 2^67070370397 is an apocalyptic number.

It is an amenable number.

67070370397 is a deficient number, since it is larger than the sum of its proper divisors (2312771423).

67070370397 is a wasteful number, since it uses less digits than its factorization.

67070370397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312771422.

The product of its (nonzero) digits is 1166886, while the sum is 49.

The spelling of 67070370397 in words is "sixty-seven billion, seventy million, three hundred seventy thousand, three hundred ninety-seven".