70925417 has 4 divisors (see below), whose sum is σ = 71048916. Its totient is φ = 70801920.

The previous prime is 70925383. The next prime is 70925419. The reversal of 70925417 is 71452907.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42367081 + 28558336 = 6509^2 + 5344^2 .

It is a cyclic number.

It is not a de Polignac number, because 70925417 - 2⁸ = 70925161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70925419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60884 + ... + 62037.

It is an arithmetic number, because the mean of its divisors is an integer number (17762229).

Almost surely, 2^70925417 is an apocalyptic number.

It is an amenable number.

70925417 is a deficient number, since it is larger than the sum of its proper divisors (123499).

70925417 is a wasteful number, since it uses less digits than its factorization.

70925417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123498.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 70925417 is about 8421.7229234878. The cubic root of 70925417 is about 413.9367313680.

The spelling of 70925417 in words is "seventy million, nine hundred twenty-five thousand, four hundred seventeen".