67090620479 has 16 divisors (see below), whose sum is σ = 71300266848. Its totient is φ = 62910661632.

The previous prime is 67090620473. The next prime is 67090620497. The reversal of 67090620479 is 97402609076.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67090620479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67090620473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5173067 + ... + 5186019.

It is an arithmetic number, because the mean of its divisors is an integer number (4456266678).

Almost surely, 2^67090620479 is an apocalyptic number.

67090620479 is a deficient number, since it is larger than the sum of its proper divisors (4209646369).

67090620479 is a wasteful number, since it uses less digits than its factorization.

67090620479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14074.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 67090620479 in words is "sixty-seven billion, ninety million, six hundred twenty thousand, four hundred seventy-nine".