70739853 has 4 divisors (see below), whose sum is σ = 94319808. Its totient is φ = 47159900.

The previous prime is 70739827. The next prime is 70739863. The reversal of 70739853 is 35893707.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35893707 = 3 ⋅11964569.

It is a cyclic number.

It is not a de Polignac number, because 70739853 - 2⁹ = 70739341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70739863) 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, 11789973 + ... + 11789978.

It is an arithmetic number, because the mean of its divisors is an integer number (23579952).

Almost surely, 2^70739853 is an apocalyptic number.

It is an amenable number.

70739853 is a deficient number, since it is larger than the sum of its proper divisors (23579955).

70739853 is a wasteful number, since it uses less digits than its factorization.

70739853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23579954.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 70739853 is about 8410.6987224606. The cubic root of 70739853 is about 413.5754182938.

The spelling of 70739853 in words is "seventy million, seven hundred thirty-nine thousand, eight hundred fifty-three".