70628996 has 6 divisors (see below), whose sum is σ = 123600750. Its totient is φ = 35314496.

The previous prime is 70628993. The next prime is 70629001. The reversal of 70628996 is 69982607.

It can be written as a sum of positive squares in only one way, i.e., 69222400 + 1406596 = 8320^2 + 1186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70628996.

It is not an unprimeable number, because it can be changed into a prime (70628993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8828621 + ... + 8828628.

It is an arithmetic number, because the mean of its divisors is an integer number (20600125).

Almost surely, 2^70628996 is an apocalyptic number.

It is an amenable number.

70628996 is a deficient number, since it is larger than the sum of its proper divisors (52971754).

70628996 is a wasteful number, since it uses less digits than its factorization.

70628996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17657253 (or 17657251 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 70628996 is about 8404.1059012842. The cubic root of 70628996 is about 413.3592662073.

The spelling of 70628996 in words is "seventy million, six hundred twenty-eight thousand, nine hundred ninety-six".