75484357 has 12 divisors (see below), whose sum is σ = 82053540. Its totient is φ = 69408768.

The previous prime is 75484337. The next prime is 75484391. The reversal of 75484357 is 75348457.

It can be written as a sum of positive squares in 6 ways, for example, as 53450721 + 22033636 = 7311^2 + 4694^2 .

It is a de Polignac number, because none of the positive numbers 2^k-75484357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75484337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52869 + ... + 54277.

It is an arithmetic number, because the mean of its divisors is an integer number (6837795).

Almost surely, 2^75484357 is an apocalyptic number.

It is an amenable number.

75484357 is a deficient number, since it is larger than the sum of its proper divisors (6569183).

75484357 is a wasteful number, since it uses less digits than its factorization.

75484357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1739 counting only the distinct ones).

The product of its digits is 470400, while the sum is 43.

The square root of 75484357 is about 8688.1733983617. The cubic root of 75484357 is about 422.6222131657.

The spelling of 75484357 in words is "seventy-five million, four hundred eighty-four thousand, three hundred fifty-seven".