61450368 has 64 divisors (see below), whose sum is σ = 186553920. Its totient is φ = 17556480.

The previous prime is 61450343. The next prime is 61450399. The reversal of 61450368 is 86305416.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×61450368² = 7552295454670848, which contains 22 as substring.

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, 8743 + ... + 14118.

It is an arithmetic number, because the mean of its divisors is an integer number (2914905).

Almost surely, 2^61450368 is an apocalyptic number.

It is an amenable number.

61450368 is an abundant number, since it is smaller than the sum of its proper divisors (125103552).

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

61450368 is a wasteful number, since it uses less digits than its factorization.

61450368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22885 (or 22873 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 61450368 is about 7839.0285112379. The cubic root of 61450368 is about 394.6161265531.

The spelling of 61450368 in words is "sixty-one million, four hundred fifty thousand, three hundred sixty-eight".