63749402 has 16 divisors (see below), whose sum is σ = 96887232. Its totient is φ = 31456320.

The previous prime is 63749393. The next prime is 63749417. The reversal of 63749402 is 20494736.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69833 + ... + 70739.

It is an arithmetic number, because the mean of its divisors is an integer number (6055452).

Almost surely, 2^63749402 is an apocalyptic number.

63749402 is a deficient number, since it is larger than the sum of its proper divisors (33137830).

63749402 is a wasteful number, since it uses less digits than its factorization.

63749402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 63749402 is about 7984.3222630352. The cubic root of 63749402 is about 399.4772379305.

The spelling of 63749402 in words is "sixty-three million, seven hundred forty-nine thousand, four hundred two".