75461451 has 16 divisors (see below), whose sum is σ = 112092960. Its totient is φ = 44835840.

The previous prime is 75461447. The next prime is 75461479. The reversal of 75461451 is 15416457.

It is not a de Polignac number, because 75461451 - 2² = 75461447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75461401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32230 + ... + 34491.

It is an arithmetic number, because the mean of its divisors is an integer number (7005810).

Almost surely, 2^75461451 is an apocalyptic number.

75461451 is a deficient number, since it is larger than the sum of its proper divisors (36631509).

75461451 is a wasteful number, since it uses less digits than its factorization.

75461451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66766.

The product of its digits is 16800, while the sum is 33.

The square root of 75461451 is about 8686.8550695865. The cubic root of 75461451 is about 422.5794600966.

The spelling of 75461451 in words is "seventy-five million, four hundred sixty-one thousand, four hundred fifty-one".