70820956 has 24 divisors (see below), whose sum is σ = 130070304. Its totient is φ = 33675840.

The previous prime is 70820927. The next prime is 70820969. The reversal of 70820956 is 65902807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14526 + ... + 18778.

It is an arithmetic number, because the mean of its divisors is an integer number (5419596).

Almost surely, 2^70820956 is an apocalyptic number.

It is an amenable number.

70820956 is a deficient number, since it is larger than the sum of its proper divisors (59249348).

70820956 is a wasteful number, since it uses less digits than its factorization.

70820956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 70820956 is about 8415.5187600052. The cubic root of 70820956 is about 413.7334121978.

The spelling of 70820956 in words is "seventy million, eight hundred twenty thousand, nine hundred fifty-six".