61472896 has 32 divisors (see below), whose sum is σ = 123195600. Its totient is φ = 30553344.

The previous prime is 61472893. The next prime is 61472903. The reversal of 61472896 is 69827416.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (61472893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21571 + ... + 24253.

Almost surely, 2^61472896 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 61472896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61597800).

61472896 is an abundant number, since it is smaller than the sum of its proper divisors (61722704).

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

61472896 is a wasteful number, since it uses less digits than its factorization.

61472896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876 (or 2864 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 61472896 is about 7840.4652923152. The cubic root of 61472896 is about 394.6643433838.

The spelling of 61472896 in words is "sixty-one million, four hundred seventy-two thousand, eight hundred ninety-six".