67970445 has 16 divisors (see below), whose sum is σ = 112261632. Its totient is φ = 35081280.

The previous prime is 67970431. The next prime is 67970453. The reversal of 67970445 is 54407976.

It is not a de Polignac number, because 67970445 - 2¹³ = 67962253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67970397 and 67970406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72622 + ... + 73551.

It is an arithmetic number, because the mean of its divisors is an integer number (7016352).

Almost surely, 2^67970445 is an apocalyptic number.

It is an amenable number.

67970445 is a deficient number, since it is larger than the sum of its proper divisors (44291187).

67970445 is a wasteful number, since it uses less digits than its factorization.

67970445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146212.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 67970445 is about 8244.4190213744. The cubic root of 67970445 is about 408.1063676438.

The spelling of 67970445 in words is "sixty-seven million, nine hundred seventy thousand, four hundred forty-five".