70266973 has 4 divisors (see below), whose sum is σ = 80305120. Its totient is φ = 60228828.

The previous prime is 70266961. The next prime is 70266983. The reversal of 70266973 is 37966207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37966207 = 877 ⋅43291.

It is a cyclic number.

It is not a de Polignac number, because 70266973 - 2¹³ = 70258781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70266943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5019063 + ... + 5019076.

It is an arithmetic number, because the mean of its divisors is an integer number (20076280).

Almost surely, 2^70266973 is an apocalyptic number.

It is an amenable number.

70266973 is a deficient number, since it is larger than the sum of its proper divisors (10038147).

70266973 is a wasteful number, since it uses less digits than its factorization.

70266973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038146.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 70266973 is about 8382.5397702606. The cubic root of 70266973 is about 412.6518043051.

The spelling of 70266973 in words is "seventy million, two hundred sixty-six thousand, nine hundred seventy-three".