70424925 has 48 divisors (see below), whose sum is σ = 124426560. Its totient is φ = 35043840.

The previous prime is 70424917. The next prime is 70424983. The reversal of 70424925 is 52942407.

It is not a de Polignac number, because 70424925 - 2³ = 70424917 is a prime.

It is a super-2 number, since 2×70424925² = 9919340122511250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 103687 + ... + 104363.

It is an arithmetic number, because the mean of its divisors is an integer number (2592220).

Almost surely, 2^70424925 is an apocalyptic number.

70424925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70424925 is a deficient number, since it is larger than the sum of its proper divisors (54001635).

70424925 is a wasteful number, since it uses less digits than its factorization.

70424925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 70424925 is about 8391.9559698559. The cubic root of 70424925 is about 412.9607707014.

The spelling of 70424925 in words is "seventy million, four hundred twenty-four thousand, nine hundred twenty-five".