70921484 has 24 divisors (see below), whose sum is σ = 131671008. Its totient is φ = 33309440.

The previous prime is 70921483. The next prime is 70921507. The reversal of 70921484 is 48412907.

It is not an unprimeable number, because it can be changed into a prime (70921483) by changing a digit.

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, 66314 + ... + 67374.

It is an arithmetic number, because the mean of its divisors is an integer number (5486292).

Almost surely, 2^70921484 is an apocalyptic number.

It is an amenable number.

70921484 is a deficient number, since it is larger than the sum of its proper divisors (60749524).

70921484 is a wasteful number, since it uses less digits than its factorization.

70921484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 70921484 is about 8421.4894169618. The cubic root of 70921484 is about 413.9290799348.

The spelling of 70921484 in words is "seventy million, nine hundred twenty-one thousand, four hundred eighty-four".