70205256492 has 24 divisors (see below), whose sum is σ = 187214017536. Its totient is φ = 20058644688.

The previous prime is 70205256491. The next prime is 70205256497. The reversal of 70205256492 is 29465250207.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (70205256491) 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, 417888348 + ... + 417888515.

It is an arithmetic number, because the mean of its divisors is an integer number (7800584064).

Almost surely, 2^70205256492 is an apocalyptic number.

It is an amenable number.

70205256492 is an abundant number, since it is smaller than the sum of its proper divisors (117008761044).

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

70205256492 is a wasteful number, since it uses less digits than its factorization.

70205256492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835776877 (or 835776875 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 70205256492 in words is "seventy billion, two hundred five million, two hundred fifty-six thousand, four hundred ninety-two".