70238797 has 4 divisors (see below), whose sum is σ = 70410940. Its totient is φ = 70066656.

The previous prime is 70238789. The next prime is 70238807. The reversal of 70238797 is 79783207.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62504836 + 7733961 = 7906^2 + 2781^2 .

It is a cyclic number.

It is not a de Polignac number, because 70238797 - 2³ = 70238789 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 (70238717) 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 3 ways as a sum of consecutive naturals, for example, 85458 + ... + 86275.

It is an arithmetic number, because the mean of its divisors is an integer number (17602735).

Almost surely, 2^70238797 is an apocalyptic number.

It is an amenable number.

70238797 is a deficient number, since it is larger than the sum of its proper divisors (172143).

70238797 is a wasteful number, since it uses less digits than its factorization.

70238797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172142.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 70238797 is about 8380.8589655238. The cubic root of 70238797 is about 412.5966412076.

The spelling of 70238797 in words is "seventy million, two hundred thirty-eight thousand, seven hundred ninety-seven".