70735345 has 4 divisors (see below), whose sum is σ = 84882420. Its totient is φ = 56588272.

The previous prime is 70735333. The next prime is 70735349. The reversal of 70735345 is 54353707.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39955041 + 30780304 = 6321^2 + 5548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70735345 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70735345.

It is not an unprimeable number, because it can be changed into a prime (70735349) 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, 7073530 + ... + 7073539.

It is an arithmetic number, because the mean of its divisors is an integer number (21220605).

Almost surely, 2^70735345 is an apocalyptic number.

It is an amenable number.

70735345 is a deficient number, since it is larger than the sum of its proper divisors (14147075).

70735345 is a wasteful number, since it uses less digits than its factorization.

70735345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14147074.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 70735345 is about 8410.4307261876. The cubic root of 70735345 is about 413.5666328756.

It can be divided in two parts, 707 and 35345, that multiplied together give a triangular number (24988915 = T₇₀₆₉).

The spelling of 70735345 in words is "seventy million, seven hundred thirty-five thousand, three hundred forty-five".