75540874142 has 4 divisors (see below), whose sum is σ = 113311311216. Its totient is φ = 37770437070.

The previous prime is 75540874099. The next prime is 75540874151. The reversal of 75540874142 is 24147804557.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×75540874142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18885218534 + ... + 18885218537.

It is an arithmetic number, because the mean of its divisors is an integer number (28327827804).

Almost surely, 2^75540874142 is an apocalyptic number.

75540874142 is a deficient number, since it is larger than the sum of its proper divisors (37770437074).

75540874142 is a wasteful number, since it uses less digits than its factorization.

75540874142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37770437073.

The product of its (nonzero) digits is 1254400, while the sum is 47.

The spelling of 75540874142 in words is "seventy-five billion, five hundred forty million, eight hundred seventy-four thousand, one hundred forty-two".