70678933 has 4 divisors (see below), whose sum is σ = 76115788. Its totient is φ = 65242080.

The previous prime is 70678921. The next prime is 70678939. The reversal of 70678933 is 33987607.

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 18507204 + 52171729 = 4302^2 + 7223^2 .

It is a cyclic number.

It is not a de Polignac number, because 70678933 - 2¹³ = 70670741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70678933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70678939) 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, 2718408 + ... + 2718433.

It is an arithmetic number, because the mean of its divisors is an integer number (19028947).

Almost surely, 2^70678933 is an apocalyptic number.

It is an amenable number.

70678933 is a deficient number, since it is larger than the sum of its proper divisors (5436855).

70678933 is a wasteful number, since it uses less digits than its factorization.

70678933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436854.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 70678933 is about 8407.0763645872. The cubic root of 70678933 is about 413.4566627438.

The spelling of 70678933 in words is "seventy million, six hundred seventy-eight thousand, nine hundred thirty-three".