70919459 has 8 divisors (see below), whose sum is σ = 77816592. Its totient is φ = 64228320.

The previous prime is 70919437. The next prime is 70919483. The reversal of 70919459 is 95491907.

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

It is a de Polignac number, because none of the positive numbers 2^k-70919459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70919489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50777 + ... + 52154.

It is an arithmetic number, because the mean of its divisors is an integer number (9727074).

Almost surely, 2^70919459 is an apocalyptic number.

70919459 is a deficient number, since it is larger than the sum of its proper divisors (6897133).

70919459 is a wasteful number, since it uses less digits than its factorization.

70919459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102997.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 70919459 is about 8421.3691879646. The cubic root of 70919459 is about 413.9251402994.

The spelling of 70919459 in words is "seventy million, nine hundred nineteen thousand, four hundred fifty-nine".