70736135 has 4 divisors (see below), whose sum is σ = 84883368. Its totient is φ = 56588904.

The previous prime is 70736129. The next prime is 70736137. The reversal of 70736135 is 53163707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70736135 - 2¹⁰ = 70735111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70736137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7073609 + ... + 7073618.

It is an arithmetic number, because the mean of its divisors is an integer number (21220842).

Almost surely, 2^70736135 is an apocalyptic number.

70736135 is a deficient number, since it is larger than the sum of its proper divisors (14147233).

70736135 is a wasteful number, since it uses less digits than its factorization.

70736135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14147232.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 70736135 is about 8410.4776915464. The cubic root of 70736135 is about 413.5681724945.

The spelling of 70736135 in words is "seventy million, seven hundred thirty-six thousand, one hundred thirty-five".