70280337 has 4 divisors (see below), whose sum is σ = 93707120. Its totient is φ = 46853556.

The previous prime is 70280323. The next prime is 70280347. The reversal of 70280337 is 73308207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70280337 - 2⁷ = 70280209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70280347) 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, 11713387 + ... + 11713392.

It is an arithmetic number, because the mean of its divisors is an integer number (23426780).

Almost surely, 2^70280337 is an apocalyptic number.

It is an amenable number.

70280337 is a deficient number, since it is larger than the sum of its proper divisors (23426783).

70280337 is a wasteful number, since it uses less digits than its factorization.

70280337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23426782.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 70280337 is about 8383.3368654731. The cubic root of 70280337 is about 412.6779632477.

The spelling of 70280337 in words is "seventy million, two hundred eighty thousand, three hundred thirty-seven".