63700293420 has 72 divisors (see below), whose sum is σ = 194090822016. Its totient is φ = 16910560512.

The previous prime is 63700293409. The next prime is 63700293473. The reversal of 63700293420 is 2439200736.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 753337 + ... + 833616.

Almost surely, 2^63700293420 is an apocalyptic number.

63700293420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63700293420 is an abundant number, since it is smaller than the sum of its proper divisors (130390528596).

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

63700293420 is a wasteful number, since it uses less digits than its factorization.

63700293420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587191 (or 1587186 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 63700293420 in words is "sixty-three billion, seven hundred million, two hundred ninety-three thousand, four hundred twenty".