70492438 has 16 divisors (see below), whose sum is σ = 114073920. Its totient is φ = 32546176.

The previous prime is 70492403. The next prime is 70492439. The reversal of 70492438 is 83429407.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70492397 and 70492406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70492439) 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 7 ways as a sum of consecutive naturals, for example, 17758 + ... + 21361.

It is an arithmetic number, because the mean of its divisors is an integer number (7129620).

Almost surely, 2^70492438 is an apocalyptic number.

70492438 is a deficient number, since it is larger than the sum of its proper divisors (43581482).

70492438 is a wasteful number, since it uses less digits than its factorization.

70492438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39191.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 70492438 is about 8395.9774892504. The cubic root of 70492438 is about 413.0926904543.

The spelling of 70492438 in words is "seventy million, four hundred ninety-two thousand, four hundred thirty-eight".