67269493 has 16 divisors (see below), whose sum is σ = 72725040. Its totient is φ = 61997056.

The previous prime is 67269491. The next prime is 67269547. The reversal of 67269493 is 39496276.

It can be written as a sum of positive squares in 8 ways, for example, as 18507204 + 48762289 = 4302^2 + 6983^2 .

It is a cyclic number.

It is not a de Polignac number, because 67269493 - 2¹ = 67269491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67269491) 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, 261621 + ... + 261877.

It is an arithmetic number, because the mean of its divisors is an integer number (4545315).

Almost surely, 2^67269493 is an apocalyptic number.

It is an amenable number.

67269493 is a deficient number, since it is larger than the sum of its proper divisors (5455547).

67269493 is a wasteful number, since it uses less digits than its factorization.

67269493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its digits is 489888, while the sum is 46.

The square root of 67269493 is about 8201.7981565020. The cubic root of 67269493 is about 406.6986381594.

The spelling of 67269493 in words is "sixty-seven million, two hundred sixty-nine thousand, four hundred ninety-three".