70075772 has 12 divisors (see below), whose sum is σ = 132065976. Its totient is φ = 32342640.

The previous prime is 70075771. The next prime is 70075777. The reversal of 70075772 is 27757007.

It is a super-2 number, since 2×70075772² = 9821227642791968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70075771) 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 3 ways as a sum of consecutive naturals, for example, 673754 + ... + 673857.

It is an arithmetic number, because the mean of its divisors is an integer number (11005498).

Almost surely, 2^70075772 is an apocalyptic number.

It is an amenable number.

70075772 is a deficient number, since it is larger than the sum of its proper divisors (61990204).

70075772 is a wasteful number, since it uses less digits than its factorization.

70075772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347628 (or 1347626 counting only the distinct ones).

The product of its (nonzero) digits is 24010, while the sum is 35.

The square root of 70075772 is about 8371.1272837056. The cubic root of 70075772 is about 412.2771801816.

It can be divided in two parts, 7007 and 5772, that multiplied together give a palindrome (40444404).

The spelling of 70075772 in words is "seventy million, seventy-five thousand, seven hundred seventy-two".