70138337 has 8 divisors (see below), whose sum is σ = 72867072. Its totient is φ = 67438800.

The previous prime is 70138307. The next prime is 70138351. The reversal of 70138337 is 73383107.

It is a happy number.

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 70138337 - 2¹⁰ = 70137313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70138307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2339 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (9108384).

Almost surely, 2^70138337 is an apocalyptic number.

It is an amenable number.

70138337 is a deficient number, since it is larger than the sum of its proper divisors (2728735).

70138337 is a wasteful number, since it uses less digits than its factorization.

70138337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14599.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 70138337 is about 8374.8634018711. The cubic root of 70138337 is about 412.3998400223.

The spelling of 70138337 in words is "seventy million, one hundred thirty-eight thousand, three hundred thirty-seven".