70438001958 has 48 divisors (see below), whose sum is σ = 155438717616. Its totient is φ = 23048625600.

The previous prime is 70438001939. The next prime is 70438002007. The reversal of 70438001958 is 85910083407.

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, 84408 + ... + 384708.

It is an arithmetic number, because the mean of its divisors is an integer number (3238306617).

Almost surely, 2^70438001958 is an apocalyptic number.

70438001958 is an abundant number, since it is smaller than the sum of its proper divisors (85000715658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70438001958 is a wasteful number, since it uses less digits than its factorization.

70438001958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300549 (or 300546 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 70438001958 in words is "seventy billion, four hundred thirty-eight million, one thousand, nine hundred fifty-eight".