70340737 has 8 divisors (see below), whose sum is σ = 72349416. Its totient is φ = 68337792.

The previous prime is 70340723. The next prime is 70340759. The reversal of 70340737 is 73704307.

It can be written as a sum of positive squares in 4 ways, for example, as 15046641 + 55294096 = 3879^2 + 7436^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70340737 - 2⁷ = 70340609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70340699 and 70340708.

It is not an unprimeable number, because it can be changed into a prime (70341737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39723 + ... + 41455.

It is an arithmetic number, because the mean of its divisors is an integer number (9043677).

Almost surely, 2^70340737 is an apocalyptic number.

It is an amenable number.

70340737 is a deficient number, since it is larger than the sum of its proper divisors (2008679).

70340737 is a wasteful number, since it uses less digits than its factorization.

70340737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 70340737 is about 8386.9384759875. The cubic root of 70340737 is about 412.7961499883.

The spelling of 70340737 in words is "seventy million, three hundred forty thousand, seven hundred thirty-seven".