61472448 has 168 divisors, whose sum is σ = 191383920. Its totient is φ = 18800640.

The previous prime is 61472443. The next prime is 61472461. The reversal of 61472448 is 84427416.

It is a super-2 number, since 2×61472448² = 7557723726225408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (61472443) 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, 448636 + ... + 448772.

It is an arithmetic number, because the mean of its divisors is an integer number (1139190).

Almost surely, 2^61472448 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 61472448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95691960).

61472448 is an abundant number, since it is smaller than the sum of its proper divisors (129911472).

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

61472448 is a wasteful number, since it uses less digits than its factorization.

61472448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 202 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 61472448 is about 7840.4367225302. The cubic root of 61472448 is about 394.6633846412.

The spelling of 61472448 in words is "sixty-one million, four hundred seventy-two thousand, four hundred forty-eight".