70948819 has 8 divisors (see below), whose sum is σ = 75186720. Its totient is φ = 66830400.

The previous prime is 70948817. The next prime is 70948849. The reversal of 70948819 is 91884907.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70948819 - 2¹ = 70948817 is a prime.

It is a super-2 number, since 2×70948819² = 10067469834989522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70948817) 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, 28647 + ... + 31024.

It is an arithmetic number, because the mean of its divisors is an integer number (9398340).

Almost surely, 2^70948819 is an apocalyptic number.

70948819 is a deficient number, since it is larger than the sum of its proper divisors (4237901).

70948819 is a wasteful number, since it uses less digits than its factorization.

70948819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59741.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 70948819 is about 8423.1121920582. The cubic root of 70948819 is about 413.9822528119.

The spelling of 70948819 in words is "seventy million, nine hundred forty-eight thousand, eight hundred nineteen".