70492398 has 16 divisors (see below), whose sum is σ = 142684416. Its totient is φ = 23214200.

The previous prime is 70492397. The next prime is 70492403. The reversal of 70492398 is 89329407.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70492397) 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, 70278 + ... + 71273.

It is an arithmetic number, because the mean of its divisors is an integer number (8917776).

Almost surely, 2^70492398 is an apocalyptic number.

70492398 is an abundant number, since it is smaller than the sum of its proper divisors (72192018).

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

70492398 is a wasteful number, since it uses less digits than its factorization.

70492398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141639.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 70492398 is about 8395.9751071570. The cubic root of 70492398 is about 413.0926123196.

The spelling of 70492398 in words is "seventy million, four hundred ninety-two thousand, three hundred ninety-eight".