70402825 has 24 divisors (see below), whose sum is σ = 90569600. Its totient is φ = 54250560.

The previous prime is 70402811. The next prime is 70402853. The reversal of 70402825 is 52820407.

It is not a de Polignac number, because 70402825 - 2¹⁵ = 70370057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70402793 and 70402802.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84511 + ... + 85339.

Almost surely, 2^70402825 is an apocalyptic number.

It is an amenable number.

70402825 is a deficient number, since it is larger than the sum of its proper divisors (20166775).

70402825 is a wasteful number, since it uses less digits than its factorization.

70402825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 70402825 is about 8390.6391294108. The cubic root of 70402825 is about 412.9175691983.

The spelling of 70402825 in words is "seventy million, four hundred two thousand, eight hundred twenty-five".