75056740 has 48 divisors (see below), whose sum is σ = 172658304. Its totient is φ = 27180800.

The previous prime is 75056731. The next prime is 75056741. The reversal of 75056740 is 4765057.

It is a junction number, because it is equal to n+sod(n) for n = 75056696 and 75056705.

It is not an unprimeable number, because it can be changed into a prime (75056741) 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, 67872 + ... + 68968.

It is an arithmetic number, because the mean of its divisors is an integer number (3597048).

Almost surely, 2^75056740 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 75056740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86329152).

75056740 is an abundant number, since it is smaller than the sum of its proper divisors (97601564).

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

75056740 is a wasteful number, since it uses less digits than its factorization.

75056740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 75056740 is about 8663.5293039269. The cubic root of 75056740 is about 421.8226533313.

The spelling of 75056740 in words is "seventy-five million, fifty-six thousand, seven hundred forty".