70237925 has 12 divisors (see below), whose sum is σ = 87960516. Its totient is φ = 55632000.

The previous prime is 70237919. The next prime is 70237933. The reversal of 70237925 is 52973207.

It can be written as a sum of positive squares in 6 ways, for example, as 2307361 + 67930564 = 1519^2 + 8242^2 .

It is not a de Polignac number, because 70237925 - 2⁶ = 70237861 is a prime.

It is a super-2 number, since 2×70237925² = 9866732216611250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11384 + ... + 16433.

It is an arithmetic number, because the mean of its divisors is an integer number (7330043).

Almost surely, 2^70237925 is an apocalyptic number.

It is an amenable number.

70237925 is a deficient number, since it is larger than the sum of its proper divisors (17722591).

70237925 is a wasteful number, since it uses less digits than its factorization.

70237925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27928 (or 27923 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 70237925 is about 8380.8069420552. The cubic root of 70237925 is about 412.5949337668.

The spelling of 70237925 in words is "seventy million, two hundred thirty-seven thousand, nine hundred twenty-five".