75421151474 has 32 divisors (see below), whose sum is σ = 121080998016. Its totient is φ = 35109395200.

The previous prime is 75421151473. The next prime is 75421151489. The reversal of 75421151474 is 47415112457.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75421151473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4066907 + ... + 4085409.

It is an arithmetic number, because the mean of its divisors is an integer number (3783781188).

Almost surely, 2^75421151474 is an apocalyptic number.

75421151474 is a deficient number, since it is larger than the sum of its proper divisors (45659846542).

75421151474 is a wasteful number, since it uses less digits than its factorization.

75421151474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19810.

The product of its digits is 156800, while the sum is 41.

The spelling of 75421151474 in words is "seventy-five billion, four hundred twenty-one million, one hundred fifty-one thousand, four hundred seventy-four".