70019025 has 24 divisors (see below), whose sum is σ = 116180064. Its totient is φ = 37209600.

The previous prime is 70019023. The next prime is 70019029. The reversal of 70019025 is 52091007.

It is not a de Polignac number, because 70019025 - 2¹ = 70019023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70018986 and 70019004.

It is not an unprimeable number, because it can be changed into a prime (70019023) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 21505 + ... + 24545.

It is an arithmetic number, because the mean of its divisors is an integer number (4840836).

Almost surely, 2^70019025 is an apocalyptic number.

70019025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70019025 is a deficient number, since it is larger than the sum of its proper divisors (46161039).

70019025 is a wasteful number, since it uses less digits than its factorization.

70019025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3356 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 70019025 is about 8367.7371493134. The cubic root of 70019025 is about 412.1658634811.

The spelling of 70019025 in words is "seventy million, nineteen thousand, twenty-five".