61464378 has 16 divisors (see below), whose sum is σ = 123421536. Its totient is φ = 20406000.

The previous prime is 61464343. The next prime is 61464397. The reversal of 61464378 is 87346416.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18901 + ... + 21912.

It is an arithmetic number, because the mean of its divisors is an integer number (7713846).

Almost surely, 2^61464378 is an apocalyptic number.

61464378 is an abundant number, since it is smaller than the sum of its proper divisors (61957158).

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

61464378 is a wasteful number, since it uses less digits than its factorization.

61464378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41069.

The product of its digits is 96768, while the sum is 39.

The square root of 61464378 is about 7839.9220659392. The cubic root of 61464378 is about 394.6461136360.

The spelling of 61464378 in words is "sixty-one million, four hundred sixty-four thousand, three hundred seventy-eight".