70408337 has 4 divisors (see below), whose sum is σ = 70441140. Its totient is φ = 70375536.

The previous prime is 70408333. The next prime is 70408343. The reversal of 70408337 is 73380407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73380407 = 463 ⋅158489.

It can be written as a sum of positive squares in 2 ways, for example, as 29333056 + 41075281 = 5416^2 + 6409^2 .

It is a cyclic number.

It is not a de Polignac number, because 70408337 - 2² = 70408333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70408333) 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, 12938 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (17610285).

Almost surely, 2^70408337 is an apocalyptic number.

It is an amenable number.

70408337 is a deficient number, since it is larger than the sum of its proper divisors (32803).

70408337 is a wasteful number, since it uses less digits than its factorization.

70408337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32802.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 70408337 is about 8390.9675842539. The cubic root of 70408337 is about 412.9283450076.

The spelling of 70408337 in words is "seventy million, four hundred eight thousand, three hundred thirty-seven".