70741613 has 4 divisors (see below), whose sum is σ = 70918428. Its totient is φ = 70564800.

The previous prime is 70741571. The next prime is 70741633. The reversal of 70741613 is 31614707.

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 49378729 + 21362884 = 7027^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 70741613 - 2⁶ = 70741549 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 (70741633) 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, 87806 + ... + 88607.

It is an arithmetic number, because the mean of its divisors is an integer number (17729607).

Almost surely, 2^70741613 is an apocalyptic number.

It is an amenable number.

70741613 is a deficient number, since it is larger than the sum of its proper divisors (176815).

70741613 is a wasteful number, since it uses less digits than its factorization.

70741613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176814.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 70741613 is about 8410.8033504535. The cubic root of 70741613 is about 413.5788481695.

The spelling of 70741613 in words is "seventy million, seven hundred forty-one thousand, six hundred thirteen".