61463628 has 36 divisors (see below), whose sum is σ = 156564408. Its totient is φ = 20329920.

The previous prime is 61463621. The next prime is 61463629. The reversal of 61463628 is 82636416.

61463628 is a `hidden beast` number, since 6 + 14 + 636 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 61463592 and 61463601.

It is not an unprimeable number, because it can be changed into a prime (61463621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1801 + ... + 11232.

Almost surely, 2^61463628 is an apocalyptic number.

It is an amenable number.

61463628 is an abundant number, since it is smaller than the sum of its proper divisors (95100780).

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

61463628 is a wasteful number, since it uses less digits than its factorization.

61463628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13174 (or 13169 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 61463628 is about 7839.8742336851. The cubic root of 61463628 is about 394.6445084472.

The spelling of 61463628 in words is "sixty-one million, four hundred sixty-three thousand, six hundred twenty-eight".