70828046 has 4 divisors (see below), whose sum is σ = 106242072. Its totient is φ = 35414022.

The previous prime is 70828019. The next prime is 70828049. The reversal of 70828046 is 64082807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64082807 = 23 ⋅2786209.

It is a super-2 number, since 2×70828046² = 10033224200356232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70827997 and 70828015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70828049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17707010 + ... + 17707013.

It is an arithmetic number, because the mean of its divisors is an integer number (26560518).

Almost surely, 2^70828046 is an apocalyptic number.

70828046 is a deficient number, since it is larger than the sum of its proper divisors (35414026).

70828046 is a wasteful number, since it uses less digits than its factorization.

70828046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35414025.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 70828046 is about 8415.9399950332. The cubic root of 70828046 is about 413.7472182433.

The spelling of 70828046 in words is "seventy million, eight hundred twenty-eight thousand, forty-six".