70449712438 has 48 divisors (see below), whose sum is σ = 128318666400. Its totient is φ = 28411368192.

The previous prime is 70449712373. The next prime is 70449712451. The reversal of 70449712438 is 83421794407.

It is a junction number, because it is equal to n+sod(n) for n = 70449712391 and 70449712400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706270 + ... + 799822.

It is an arithmetic number, because the mean of its divisors is an integer number (2673305550).

Almost surely, 2^70449712438 is an apocalyptic number.

70449712438 is a deficient number, since it is larger than the sum of its proper divisors (57868953962).

70449712438 is a wasteful number, since it uses less digits than its factorization.

70449712438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93749 (or 93730 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 70449712438 in words is "seventy billion, four hundred forty-nine million, seven hundred twelve thousand, four hundred thirty-eight".