70908493 has 4 divisors (see below), whose sum is σ = 71033248. Its totient is φ = 70783740.

The previous prime is 70908491. The next prime is 70908503. The reversal of 70908493 is 39480907.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70908493 - 2¹ = 70908491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70908491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61521 + ... + 62662.

It is an arithmetic number, because the mean of its divisors is an integer number (17758312).

Almost surely, 2^70908493 is an apocalyptic number.

It is an amenable number.

70908493 is a deficient number, since it is larger than the sum of its proper divisors (124755).

70908493 is a wasteful number, since it uses less digits than its factorization.

70908493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124754.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 70908493 is about 8420.7180810190. The cubic root of 70908493 is about 413.9038046551.

The spelling of 70908493 in words is "seventy million, nine hundred eight thousand, four hundred ninety-three".