75451012 has 48 divisors (see below), whose sum is σ = 165618432. Its totient is φ = 29278080.

The previous prime is 75450997. The next prime is 75451031. The reversal of 75451012 is 21015457.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17337 + ... + 21247.

It is an arithmetic number, because the mean of its divisors is an integer number (3450384).

Almost surely, 2^75451012 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 75451012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82809216).

75451012 is an abundant number, since it is smaller than the sum of its proper divisors (90167420).

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

75451012 is a wasteful number, since it uses less digits than its factorization.

75451012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988 (or 3986 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 75451012 is about 8686.2541984448. The cubic root of 75451012 is about 422.5599732798.

Adding to 75451012 its reverse (21015457), we get a palindrome (96466469).

The spelling of 75451012 in words is "seventy-five million, four hundred fifty-one thousand, twelve".