75497474 has 8 divisors (see below), whose sum is σ = 121957500. Its totient is φ = 34844976.

The previous prime is 75497467. The next prime is 75497479. The reversal of 75497474 is 47479457.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64561225 + 10936249 = 8035^2 + 3307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (75497479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451849 + ... + 1451900.

Almost surely, 2^75497474 is an apocalyptic number.

75497474 is a deficient number, since it is larger than the sum of its proper divisors (46460026).

75497474 is a wasteful number, since it uses less digits than its factorization.

75497474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903764.

The product of its digits is 987840, while the sum is 47.

The square root of 75497474 is about 8688.9282423093. The cubic root of 75497474 is about 422.6466915906.

The spelling of 75497474 in words is "seventy-five million, four hundred ninety-seven thousand, four hundred seventy-four".