63742798 has 16 divisors (see below), whose sum is σ = 114024960. Its totient is φ = 26130456.

The previous prime is 63742769. The next prime is 63742799. The reversal of 63742798 is 89724736.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63742799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98658 + ... + 99301.

It is an arithmetic number, because the mean of its divisors is an integer number (7126560).

Almost surely, 2^63742798 is an apocalyptic number.

63742798 is a deficient number, since it is larger than the sum of its proper divisors (50282162).

63742798 is a wasteful number, since it uses less digits than its factorization.

63742798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197991.

The product of its digits is 508032, while the sum is 46.

The square root of 63742798 is about 7983.9086918627. The cubic root of 63742798 is about 399.4634430885.

The spelling of 63742798 in words is "sixty-three million, seven hundred forty-two thousand, seven hundred ninety-eight".