56073472 has 144 divisors (see below), whose sum is σ = 144224640. Its totient is φ = 21159936.

The previous prime is 56073431. The next prime is 56073473. The reversal of 56073472 is 27437065.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56073473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675543 + ... + 675625.

It is an arithmetic number, because the mean of its divisors is an integer number (1001560).

Almost surely, 2^56073472 is an apocalyptic number.

56073472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56073472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72112320).

56073472 is an abundant number, since it is smaller than the sum of its proper divisors (88151168).

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

56073472 is a wasteful number, since it uses less digits than its factorization.

56073472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 56073472 is about 7488.2222189249. Note that the first 4 decimals coincide. The cubic root of 56073472 is about 382.7534811483.

The spelling of 56073472 in words is "fifty-six million, seventy-three thousand, four hundred seventy-two".