75628518 has 64 divisors (see below), whose sum is σ = 182020608. Its totient is φ = 20494080.

The previous prime is 75628513. The next prime is 75628547. The reversal of 75628518 is 81582657.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75628518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75628513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63121 + ... + 64307.

It is an arithmetic number, because the mean of its divisors is an integer number (2844072).

Almost surely, 2^75628518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75628518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91010304).

75628518 is an abundant number, since it is smaller than the sum of its proper divisors (106392090).

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

75628518 is a wasteful number, since it uses less digits than its factorization.

75628518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277.

The product of its digits is 134400, while the sum is 42.

The square root of 75628518 is about 8696.4658338891. The cubic root of 75628518 is about 422.8910851937.

The spelling of 75628518 in words is "seventy-five million, six hundred twenty-eight thousand, five hundred eighteen".