70495917 has 8 divisors (see below), whose sum is σ = 94199424. Its totient is φ = 46894848.

The previous prime is 70495861. The next prime is 70495927. The reversal of 70495917 is 71959407.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70495917 - 2⁸ = 70495661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70495927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23988 + ... + 26765.

It is an arithmetic number, because the mean of its divisors is an integer number (11774928).

Almost surely, 2^70495917 is an apocalyptic number.

It is an amenable number.

70495917 is a deficient number, since it is larger than the sum of its proper divisors (23703507).

70495917 is a wasteful number, since it uses less digits than its factorization.

70495917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51219.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 70495917 is about 8396.1846692411. The cubic root of 70495917 is about 413.0994861044.

The spelling of 70495917 in words is "seventy million, four hundred ninety-five thousand, nine hundred seventeen".