70946520 has 64 divisors (see below), whose sum is σ = 213412320. Its totient is φ = 18868224.

The previous prime is 70946459. The next prime is 70946527. The reversal of 70946520 is 2564907.

It is a super-2 number, since 2×70946520² = 10066817400220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70946527) 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 15 ways as a sum of consecutive naturals, for example, 70662 + ... + 71658.

Almost surely, 2^70946520 is an apocalyptic number.

It is an amenable number.

70946520 is an abundant number, since it is smaller than the sum of its proper divisors (142465800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70946520 is a wasteful number, since it uses less digits than its factorization.

70946520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 70946520 is about 8422.9757212045. The cubic root of 70946520 is about 413.9777812529.

The spelling of 70946520 in words is "seventy million, nine hundred forty-six thousand, five hundred twenty".