70643325 has 12 divisors (see below), whose sum is σ = 116797088. Its totient is φ = 37676400.

The previous prime is 70643299. The next prime is 70643351. The reversal of 70643325 is 52334607.

It is an interprime number because it is at equal distance from previous prime (70643299) and next prime (70643351).

It is not a de Polignac number, because 70643325 - 2⁹ = 70642813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70643292 and 70643301.

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, 470881 + ... + 471030.

Almost surely, 2^70643325 is an apocalyptic number.

70643325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70643325 is a deficient number, since it is larger than the sum of its proper divisors (46153763).

70643325 is a wasteful number, since it uses less digits than its factorization.

70643325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941924 (or 941919 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 70643325 is about 8404.9583580170. The cubic root of 70643325 is about 413.3872180154.

The spelling of 70643325 in words is "seventy million, six hundred forty-three thousand, three hundred twenty-five".