70561625 has 16 divisors (see below), whose sum is σ = 88428288. Its totient is φ = 56214000.

The previous prime is 70561613. The next prime is 70561637. The reversal of 70561625 is 52616507.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70561613) and next prime (70561637).

It is not a de Polignac number, because 70561625 - 2¹⁰ = 70560601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70561591 and 70561600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32834 + ... + 34916.

It is an arithmetic number, because the mean of its divisors is an integer number (5526768).

Almost surely, 2^70561625 is an apocalyptic number.

It is an amenable number.

70561625 is a deficient number, since it is larger than the sum of its proper divisors (17866663).

70561625 is a wasteful number, since it uses less digits than its factorization.

70561625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 70561625 is about 8400.0967256336. The cubic root of 70561625 is about 413.2277938282.

The spelling of 70561625 in words is "seventy million, five hundred sixty-one thousand, six hundred twenty-five".