30969070 has 32 divisors (see below), whose sum is σ = 64393056. Its totient is φ = 10598400.

The previous prime is 30969049. The next prime is 30969079. The reversal of 30969070 is 7096903.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30969079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6411 + ... + 10150.

It is an arithmetic number, because the mean of its divisors is an integer number (2012283).

Almost surely, 2^30969070 is an apocalyptic number.

30969070 is an abundant number, since it is smaller than the sum of its proper divisors (33423986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30969070 is a wasteful number, since it uses less digits than its factorization.

30969070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16596.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 30969070 is about 5564.9860736573. The cubic root of 30969070 is about 314.0335542327.

The spelling of 30969070 in words is "thirty million, nine hundred sixty-nine thousand, seventy".