70107492 has 192 divisors, whose sum is σ = 220774400. Its totient is φ = 16796160.

The previous prime is 70107491. The next prime is 70107539. The reversal of 70107492 is 29470107.

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

It is not an unprimeable number, because it can be changed into a prime (70107491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 643134 + ... + 643242.

Almost surely, 2^70107492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70107492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110387200).

70107492 is an abundant number, since it is smaller than the sum of its proper divisors (150666908).

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

70107492 is a wasteful number, since it uses less digits than its factorization.

70107492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 70107492 is about 8373.0216767903. The cubic root of 70107492 is about 412.3393769490.

Adding to 70107492 its reverse (29470107), we get a palindrome (99577599).

The spelling of 70107492 in words is "seventy million, one hundred seven thousand, four hundred ninety-two".