75724102442 has 8 divisors (see below), whose sum is σ = 117250223232. Its totient is φ = 36640694700.

The previous prime is 75724102429. The next prime is 75724102451. The reversal of 75724102442 is 24420142757.

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

It is a junction number, because it is equal to n+sod(n) for n = 75724102396 and 75724102405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610678184 + ... + 610678307.

It is an arithmetic number, because the mean of its divisors is an integer number (14656277904).

Almost surely, 2^75724102442 is an apocalyptic number.

75724102442 is a deficient number, since it is larger than the sum of its proper divisors (41526120790).

75724102442 is a wasteful number, since it uses less digits than its factorization.

75724102442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221356524.

The product of its (nonzero) digits is 125440, while the sum is 38.

The spelling of 75724102442 in words is "seventy-five billion, seven hundred twenty-four million, one hundred two thousand, four hundred forty-two".