75140247442 has 32 divisors (see below), whose sum is σ = 124510458240. Its totient is φ = 33788119680.

The previous prime is 75140247439. The next prime is 75140247449. The reversal of 75140247442 is 24474204157.

It is a junction number, because it is equal to n+sod(n) for n = 75140247395 and 75140247404.

It is not an unprimeable number, because it can be changed into a prime (75140247449) 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, 740083 + ... + 835465.

It is an arithmetic number, because the mean of its divisors is an integer number (3890951820).

Almost surely, 2^75140247442 is an apocalyptic number.

75140247442 is a deficient number, since it is larger than the sum of its proper divisors (49370210798).

75140247442 is a wasteful number, since it uses less digits than its factorization.

75140247442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96178.

The product of its (nonzero) digits is 250880, while the sum is 40.

The spelling of 75140247442 in words is "seventy-five billion, one hundred forty million, two hundred forty-seven thousand, four hundred forty-two".