70016949 has 12 divisors (see below), whose sum is σ = 101411596. Its totient is φ = 46550592.

The previous prime is 70016927. The next prime is 70016951. The reversal of 70016949 is 94961007.

It can be written as a sum of positive squares in 2 ways, for example, as 56927025 + 13089924 = 7545^2 + 3618^2 .

It is not a de Polignac number, because 70016949 - 2⁵ = 70016917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70016909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7072 + ... + 13785.

Almost surely, 2^70016949 is an apocalyptic number.

It is an amenable number.

70016949 is a deficient number, since it is larger than the sum of its proper divisors (31394647).

70016949 is a wasteful number, since it uses less digits than its factorization.

70016949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21236 (or 21233 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 70016949 is about 8367.6131005204. The cubic root of 70016949 is about 412.1617899940.

The spelling of 70016949 in words is "seventy million, sixteen thousand, nine hundred forty-nine".