70851025 has 24 divisors (see below), whose sum is σ = 100868544. Its totient is φ = 48360000.

The previous prime is 70851007. The next prime is 70851049. The reversal of 70851025 is 52015807.

It is not a de Polignac number, because 70851025 - 2⁹ = 70850513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70850984 and 70851002.

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, 43119 + ... + 44731.

It is an arithmetic number, because the mean of its divisors is an integer number (4202856).

Almost surely, 2^70851025 is an apocalyptic number.

It is an amenable number.

70851025 is a deficient number, since it is larger than the sum of its proper divisors (30017519).

70851025 is a wasteful number, since it uses less digits than its factorization.

70851025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 70851025 is about 8417.3050912985. The cubic root of 70851025 is about 413.7919579091.

The spelling of 70851025 in words is "seventy million, eight hundred fifty-one thousand, twenty-five".