70716733 has 4 divisors (see below), whose sum is σ = 70741980. Its totient is φ = 70691488.

The previous prime is 70716721. The next prime is 70716739. The reversal of 70716733 is 33761707.

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 22024249 + 48692484 = 4693^2 + 6978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70716733 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 (70716739) 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, 7810 + ... + 14227.

It is an arithmetic number, because the mean of its divisors is an integer number (17685495).

Almost surely, 2^70716733 is an apocalyptic number.

It is an amenable number.

70716733 is a deficient number, since it is larger than the sum of its proper divisors (25247).

70716733 is a wasteful number, since it uses less digits than its factorization.

70716733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25246.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 70716733 is about 8409.3241702291. The cubic root of 70716733 is about 413.5303569168.

The spelling of 70716733 in words is "seventy million, seven hundred sixteen thousand, seven hundred thirty-three".