70897250 has 32 divisors (see below), whose sum is σ = 134924400. Its totient is φ = 27888000.

The previous prime is 70897249. The next prime is 70897271. The reversal of 70897250 is 5279807.

It can be written as a sum of positive squares in 8 ways, for example, as 2719201 + 68178049 = 1649^2 + 8257^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12926 + ... + 17574.

Almost surely, 2^70897250 is an apocalyptic number.

70897250 is a deficient number, since it is larger than the sum of its proper divisors (64027150).

70897250 is a wasteful number, since it uses less digits than its factorization.

70897250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727 (or 4717 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 70897250 is about 8420.0504749081. The cubic root of 70897250 is about 413.8819277907.

The spelling of 70897250 in words is "seventy million, eight hundred ninety-seven thousand, two hundred fifty".