70251005 has 16 divisors (see below), whose sum is σ = 93528000. Its totient is φ = 50223360.

The previous prime is 70250969. The next prime is 70251029. The reversal of 70251005 is 50015207.

It is not a de Polignac number, because 70251005 - 2²⁰ = 69202429 is a prime.

It is a congruent number.

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, 7580 + ... + 14069.

It is an arithmetic number, because the mean of its divisors is an integer number (5845500).

Almost surely, 2^70251005 is an apocalyptic number.

It is an amenable number.

70251005 is a deficient number, since it is larger than the sum of its proper divisors (23276995).

70251005 is a wasteful number, since it uses less digits than its factorization.

70251005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21724.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 70251005 is about 8381.5872601793. The cubic root of 70251005 is about 412.6205438949.

The spelling of 70251005 in words is "seventy million, two hundred fifty-one thousand, five".