70445492 has 24 divisors (see below), whose sum is σ = 133259616. Its totient is φ = 32391648.

The previous prime is 70445491. The next prime is 70445497. The reversal of 70445492 is 29454407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70445491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12323 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (5552484).

Almost surely, 2^70445492 is an apocalyptic number.

It is an amenable number.

70445492 is a deficient number, since it is larger than the sum of its proper divisors (62814124).

70445492 is a wasteful number, since it uses less digits than its factorization.

70445492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 70445492 is about 8393.1812800630. The cubic root of 70445492 is about 413.0009673482. Note that the first 3 decimals are identical.

Adding to 70445492 its reverse (29454407), we get a palindrome (99899899).

The spelling of 70445492 in words is "seventy million, four hundred forty-five thousand, four hundred ninety-two".