70061520494 has 16 divisors (see below), whose sum is σ = 120137136768. Its totient is φ = 30018447672.

The previous prime is 70061520491. The next prime is 70061520499. The reversal of 70061520494 is 49402516007.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70061520491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604712 + ... + 711195.

It is an arithmetic number, because the mean of its divisors is an integer number (7508571048).

Almost surely, 2^70061520494 is an apocalyptic number.

70061520494 is a deficient number, since it is larger than the sum of its proper divisors (50075616274).

70061520494 is a wasteful number, since it uses less digits than its factorization.

70061520494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319719.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 70061520494 in words is "seventy billion, sixty-one million, five hundred twenty thousand, four hundred ninety-four".