69950970 has 72 divisors (see below), whose sum is σ = 192037716. Its totient is φ = 17663616.

The previous prime is 69950963. The next prime is 69950983. The reversal of 69950970 is 7905996.

It can be written as a sum of positive squares in 2 ways, for example, as 62773929 + 7177041 = 7923^2 + 2679^2 .

It is a super-3 number, since 3×69950970³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31414 + ... + 33566.

Almost surely, 2^69950970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69950970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96018858).

69950970 is an abundant number, since it is smaller than the sum of its proper divisors (122086746).

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

69950970 is a wasteful number, since it uses less digits than its factorization.

69950970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 69950970 is about 8363.6696491433. The cubic root of 69950970 is about 412.0322853074.

The spelling of 69950970 in words is "sixty-nine million, nine hundred fifty thousand, nine hundred seventy".