70992906 has 16 divisors (see below), whose sum is σ = 142772448. Its totient is φ = 23533200.

The previous prime is 70992877. The next prime is 70992913. The reversal of 70992906 is 60929907.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31600 + ... + 33771.

It is an arithmetic number, because the mean of its divisors is an integer number (8923278).

Almost surely, 2^70992906 is an apocalyptic number.

70992906 is an abundant number, since it is smaller than the sum of its proper divisors (71779542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70992906 is a wasteful number, since it uses less digits than its factorization.

70992906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65557.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 70992906 is about 8425.7288112068. The cubic root of 70992906 is about 414.0679834214.

The spelling of 70992906 in words is "seventy million, nine hundred ninety-two thousand, nine hundred six".