70193669 has 8 divisors (see below), whose sum is σ = 86392320. Its totient is φ = 55537776.

The previous prime is 70193647. The next prime is 70193671. The reversal of 70193669 is 96639107.

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 70193669 - 2⁸ = 70193413 is a prime.

It is a super-2 number, since 2×70193669² = 9854302335363122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70193609) 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, 385589 + ... + 385770.

It is an arithmetic number, because the mean of its divisors is an integer number (10799040).

Almost surely, 2^70193669 is an apocalyptic number.

It is an amenable number.

70193669 is a deficient number, since it is larger than the sum of its proper divisors (16198651).

70193669 is a wasteful number, since it uses less digits than its factorization.

70193669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771379.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 70193669 is about 8378.1662074705. The cubic root of 70193669 is about 412.5082586654.

The spelling of 70193669 in words is "seventy million, one hundred ninety-three thousand, six hundred sixty-nine".