70047149 has 8 divisors (see below), whose sum is σ = 70737408. Its totient is φ = 69360640.

The previous prime is 70047127. The next prime is 70047169. The reversal of 70047149 is 94174007.

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 70047149 - 2¹² = 70043053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70047119) 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, 48374 + ... + 49800.

It is an arithmetic number, because the mean of its divisors is an integer number (8842176).

Almost surely, 2^70047149 is an apocalyptic number.

It is an amenable number.

70047149 is a deficient number, since it is larger than the sum of its proper divisors (690259).

70047149 is a wasteful number, since it uses less digits than its factorization.

70047149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 70047149 is about 8369.4174827165. The cubic root of 70047149 is about 412.2210399188.

The spelling of 70047149 in words is "seventy million, forty-seven thousand, one hundred forty-nine".