61324328 has 32 divisors (see below), whose sum is σ = 128104200. Its totient is φ = 27326208.

The previous prime is 61324297. The next prime is 61324369. The reversal of 61324328 is 82342316.

It can be written as a sum of positive squares in 4 ways, for example, as 56821444 + 4502884 = 7538^2 + 2122^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 61324328.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7151 + ... + 13182.

Almost surely, 2^61324328 is an apocalyptic number.

It is an amenable number.

61324328 is an abundant number, since it is smaller than the sum of its proper divisors (66779872).

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

61324328 is a wasteful number, since it uses less digits than its factorization.

61324328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20381 (or 20377 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 61324328 is about 7830.9851232141. The cubic root of 61324328 is about 394.3461446569.

The spelling of 61324328 in words is "sixty-one million, three hundred twenty-four thousand, three hundred twenty-eight".