63274493 has 4 divisors (see below), whose sum is σ = 66996540. Its totient is φ = 59552448.

The previous prime is 63274487. The next prime is 63274499. The reversal of 63274493 is 39447236.

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

It is an interprime number because it is at equal distance from previous prime (63274487) and next prime (63274499).

It can be written as a sum of positive squares in 2 ways, for example, as 28440889 + 34833604 = 5333^2 + 5902^2 .

It is a cyclic number.

It is not a de Polignac number, because 63274493 - 2¹² = 63270397 is a prime.

It is a super-2 number, since 2×63274493² = 8007322928814098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63274499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1860998 + ... + 1861031.

It is an arithmetic number, because the mean of its divisors is an integer number (16749135).

Almost surely, 2^63274493 is an apocalyptic number.

It is an amenable number.

63274493 is a deficient number, since it is larger than the sum of its proper divisors (3722047).

63274493 is a wasteful number, since it uses less digits than its factorization.

63274493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722046.

The product of its digits is 108864, while the sum is 38.

The square root of 63274493 is about 7954.5265729646. The cubic root of 63274493 is about 398.4827794642.

The spelling of 63274493 in words is "sixty-three million, two hundred seventy-four thousand, four hundred ninety-three".