70257294 has 80 divisors (see below), whose sum is σ = 169047648. Its totient is φ = 21731328.

The previous prime is 70257293. The next prime is 70257323. The reversal of 70257294 is 49275207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70257293) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 267007 + ... + 267269.

Almost surely, 2^70257294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70257294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84523824).

70257294 is an abundant number, since it is smaller than the sum of its proper divisors (98790354).

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

70257294 is a wasteful number, since it uses less digits than its factorization.

70257294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70257294 is about 8381.9624193860. The cubic root of 70257294 is about 412.6328563791.

The spelling of 70257294 in words is "seventy million, two hundred fifty-seven thousand, two hundred ninety-four".