70106772 has 12 divisors (see below), whose sum is σ = 163582496. Its totient is φ = 23368920.

The previous prime is 70106719. The next prime is 70106797. The reversal of 70106772 is 27760107.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921104 + ... + 2921127.

Almost surely, 2^70106772 is an apocalyptic number.

It is an amenable number.

70106772 is an abundant number, since it is smaller than the sum of its proper divisors (93475724).

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

70106772 is a wasteful number, since it uses less digits than its factorization.

70106772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842238 (or 5842236 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 70106772 is about 8372.9786814490. The cubic root of 70106772 is about 412.3379653768.

Adding to 70106772 its reverse (27760107), we get a palindrome (97866879).

The spelling of 70106772 in words is "seventy million, one hundred six thousand, seven hundred seventy-two".