70543925 has 12 divisors (see below), whose sum is σ = 87690816. Its totient is φ = 56295600.

The previous prime is 70543909. The next prime is 70543933. The reversal of 70543925 is 52934507.

It is not a de Polignac number, because 70543925 - 2⁴ = 70543909 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7502 + ... + 14048.

It is an arithmetic number, because the mean of its divisors is an integer number (7307568).

Almost surely, 2^70543925 is an apocalyptic number.

It is an amenable number.

70543925 is a deficient number, since it is larger than the sum of its proper divisors (17146891).

70543925 is a wasteful number, since it uses less digits than its factorization.

70543925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988 (or 6983 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 70543925 is about 8399.0431002585. The cubic root of 70543925 is about 413.1932389569.

The spelling of 70543925 in words is "seventy million, five hundred forty-three thousand, nine hundred twenty-five".