63425772 has 18 divisors (see below), whose sum is σ = 160326348. Its totient is φ = 21141912.

The previous prime is 63425771. The next prime is 63425773. The reversal of 63425772 is 27752436.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63425771) and next prime (63425773).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1761827 = 63425772 / (6 + 3 + 4 + 2 + 5 + 7 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (63425771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 880878 + ... + 880949.

Almost surely, 2^63425772 is an apocalyptic number.

It is an amenable number.

63425772 is an abundant number, since it is smaller than the sum of its proper divisors (96900576).

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

63425772 is a wasteful number, since it uses less digits than its factorization.

63425772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761837 (or 1761832 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 63425772 is about 7964.0298844241. The cubic root of 63425772 is about 398.8000958408.

The spelling of 63425772 in words is "sixty-three million, four hundred twenty-five thousand, seven hundred seventy-two".