70530157442 has 8 divisors (see below), whose sum is σ = 105811361100. Its totient is φ = 35259703744.

The previous prime is 70530157421. The next prime is 70530157457. The reversal of 70530157442 is 24475103507.

It can be written as a sum of positive squares in 2 ways, for example, as 70436629201 + 93528241 = 265399^2 + 9671^2 .

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 = 70530157396 and 70530157405.

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, 2671067 + ... + 2697342.

Almost surely, 2^70530157442 is an apocalyptic number.

70530157442 is a deficient number, since it is larger than the sum of its proper divisors (35281203658).

70530157442 is a wasteful number, since it uses less digits than its factorization.

70530157442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374980.

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 70530157442 in words is "seventy billion, five hundred thirty million, one hundred fifty-seven thousand, four hundred forty-two".