61864332 has 36 divisors (see below), whose sum is σ = 146937336. Its totient is φ = 20258240.

The previous prime is 61864331. The next prime is 61864373. The reversal of 61864332 is 23346816.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61864293 and 61864302.

It is not an unprimeable number, because it can be changed into a prime (61864331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41032 + ... + 42512.

Almost surely, 2^61864332 is an apocalyptic number.

It is an amenable number.

61864332 is an abundant number, since it is smaller than the sum of its proper divisors (85073004).

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

61864332 is a wasteful number, since it uses less digits than its factorization.

61864332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1545 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 61864332 is about 7865.3882294519. The cubic root of 61864332 is about 395.5002623806.

The spelling of 61864332 in words is "sixty-one million, eight hundred sixty-four thousand, three hundred thirty-two".