63155742 has 32 divisors (see below), whose sum is σ = 140421120. Its totient is φ = 18804960.

The previous prime is 63155717. The next prime is 63155747. The reversal of 63155742 is 24755136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63155747) 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, 10642 + ... + 15477.

It is an arithmetic number, because the mean of its divisors is an integer number (4388160).

Almost surely, 2^63155742 is an apocalyptic number.

63155742 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

63155742 is an abundant number, since it is smaller than the sum of its proper divisors (77265378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63155742 is a wasteful number, since it uses less digits than its factorization.

63155742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26168.

The product of its digits is 25200, while the sum is 33.

The square root of 63155742 is about 7947.0587011800. The cubic root of 63155742 is about 398.2333379167.

The spelling of 63155742 in words is "sixty-three million, one hundred fifty-five thousand, seven hundred forty-two".