70400040073 has 24 divisors (see below), whose sum is σ = 82294590560. Its totient is φ = 60006355200.

The previous prime is 70400040047. The next prime is 70400040083. The reversal of 70400040073 is 37004000407.

It is a happy number.

It is not a de Polignac number, because 70400040073 - 2⁵ = 70400040041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70400040083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65158 + ... + 380848.

Almost surely, 2^70400040073 is an apocalyptic number.

It is an amenable number.

70400040073 is a deficient number, since it is larger than the sum of its proper divisors (11894550487).

70400040073 is a wasteful number, since it uses less digits than its factorization.

70400040073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315829 (or 315818 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The spelling of 70400040073 in words is "seventy billion, four hundred million, forty thousand, seventy-three".