61264308 has 72 divisors (see below), whose sum is σ = 171704064. Its totient is φ = 16934400.

The previous prime is 61264289. The next prime is 61264309. The reversal of 61264308 is 80346216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61264309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16548 + ... + 19908.

Almost surely, 2^61264308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61264308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85852032).

61264308 is an abundant number, since it is smaller than the sum of its proper divisors (110439756).

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

61264308 is a wasteful number, since it uses less digits than its factorization.

61264308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3404 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 61264308 is about 7827.1519724610. The cubic root of 61264308 is about 394.2174497744.

The spelling of 61264308 in words is "sixty-one million, two hundred sixty-four thousand, three hundred eight".