70444477813972 has 24 divisors (see below), whose sum is σ = 123496353729000. Its totient is φ = 35159807187456.

The previous prime is 70444477813909. The next prime is 70444477814023. The reversal of 70444477813972 is 27931877444407.

It can be written as a sum of positive squares in 4 ways, for example, as 40553283477316 + 29891194336656 = 6368146^2 + 5467284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70444477813898 and 70444477813907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182235154 + ... + 182621302.

It is an arithmetic number, because the mean of its divisors is an integer number (5145681405375).

Almost surely, 2^{70444477813972} is an apocalyptic number.

It is an amenable number.

70444477813972 is a deficient number, since it is larger than the sum of its proper divisors (53051875915028).

70444477813972 is a wasteful number, since it uses less digits than its factorization.

70444477813972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466875 (or 466873 counting only the distinct ones).

The product of its (nonzero) digits is 265531392, while the sum is 67.

The spelling of 70444477813972 in words is "seventy trillion, four hundred forty-four billion, four hundred seventy-seven million, eight hundred thirteen thousand, nine hundred seventy-two".