70798894 has 4 divisors (see below), whose sum is σ = 106198344. Its totient is φ = 35399446.

The previous prime is 70798891. The next prime is 70798909. The reversal of 70798894 is 49889707.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70798891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17699722 + ... + 17699725.

It is an arithmetic number, because the mean of its divisors is an integer number (26549586).

Almost surely, 2^70798894 is an apocalyptic number.

70798894 is a deficient number, since it is larger than the sum of its proper divisors (35399450).

70798894 is a wasteful number, since it uses less digits than its factorization.

70798894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35399449.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 70798894 is about 8414.2078652717. The cubic root of 70798894 is about 413.6904459392.

The spelling of 70798894 in words is "seventy million, seven hundred ninety-eight thousand, eight hundred ninety-four".