63740193 has 32 divisors (see below), whose sum is σ = 98211840. Its totient is φ = 36365760.

The previous prime is 63740177. The next prime is 63740197. The reversal of 63740193 is 39104736.

It is not a de Polignac number, because 63740193 - 2⁴ = 63740177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63740197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173496 + ... + 173862.

It is an arithmetic number, because the mean of its divisors is an integer number (3069120).

Almost surely, 2^63740193 is an apocalyptic number.

It is an amenable number.

63740193 is a deficient number, since it is larger than the sum of its proper divisors (34471647).

63740193 is a wasteful number, since it uses less digits than its factorization.

63740193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 63740193 is about 7983.7455495525. The cubic root of 63740193 is about 399.4580013420.

The spelling of 63740193 in words is "sixty-three million, seven hundred forty thousand, one hundred ninety-three".