61323208 has 64 divisors (see below), whose sum is σ = 125637120. Its totient is φ = 27993600.

The previous prime is 61323191. The next prime is 61323209. The reversal of 61323208 is 80232316.

It is a super-2 number, since 2×61323208² = 7521071678822528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61323209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376135 + ... + 376297.

It is an arithmetic number, because the mean of its divisors is an integer number (1963080).

Almost surely, 2^61323208 is an apocalyptic number.

It is an amenable number.

61323208 is an abundant number, since it is smaller than the sum of its proper divisors (64313912).

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

61323208 is a wasteful number, since it uses less digits than its factorization.

61323208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 61323208 is about 7830.9136120889. The cubic root of 61323208 is about 394.3437439219.

The spelling of 61323208 in words is "sixty-one million, three hundred twenty-three thousand, two hundred eight".