70073707 has 4 divisors (see below), whose sum is σ = 76444056. Its totient is φ = 63703360.

The previous prime is 70073687. The next prime is 70073713. The reversal of 70073707 is 70737007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70073707 - 2¹⁹ = 69549419 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70073737) 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, 3185158 + ... + 3185179.

It is an arithmetic number, because the mean of its divisors is an integer number (19111014).

Almost surely, 2^70073707 is an apocalyptic number.

70073707 is a deficient number, since it is larger than the sum of its proper divisors (6370349).

70073707 is a wasteful number, since it uses less digits than its factorization.

70073707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370348.

The product of its (nonzero) digits is 7203, while the sum is 31.

The square root of 70073707 is about 8371.0039421804. The cubic root of 70073707 is about 412.2731304665.

The spelling of 70073707 in words is "seventy million, seventy-three thousand, seven hundred seven".