70099471 has 4 divisors (see below), whose sum is σ = 75491752. Its totient is φ = 64707192.

The previous prime is 70099453. The next prime is 70099499. The reversal of 70099471 is 17499007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17499007 = 149 ⋅117443.

It is a cyclic number.

It is not a de Polignac number, because 70099471 - 2⁵ = 70099439 is a prime.

It is a super-3 number, since 3×70099471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70099471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70099441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696121 + ... + 2696146.

It is an arithmetic number, because the mean of its divisors is an integer number (18872938).

Almost surely, 2^70099471 is an apocalyptic number.

70099471 is a deficient number, since it is larger than the sum of its proper divisors (5392281).

70099471 is a wasteful number, since it uses less digits than its factorization.

70099471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392280.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 70099471 is about 8372.5426842746. The cubic root of 70099471 is about 412.3236510963.

The spelling of 70099471 in words is "seventy million, ninety-nine thousand, four hundred seventy-one".