70029387536 has 20 divisors (see below), whose sum is σ = 135686172672. Its totient is φ = 35013601056.

The previous prime is 70029387523. The next prime is 70029387577. The reversal of 70029387536 is 63578392007.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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, 778865 + ... + 864111.

Almost surely, 2^70029387536 is an apocalyptic number.

It is an amenable number.

70029387536 is a deficient number, since it is larger than the sum of its proper divisors (65656785136).

70029387536 is a wasteful number, since it uses less digits than its factorization.

70029387536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136598 (or 136592 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 70029387536 in words is "seventy billion, twenty-nine million, three hundred eighty-seven thousand, five hundred thirty-six".